Revolution of sleep diagnostics and personalized health care based on digital diagnostics and therapeutics with health data integration

CORDIS provides links to public deliverables and publications of HORIZON projects.

Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

Deliverables

"Data Management Plan generated for ""Pilot on Open Research Data""."

Data Management Plan generated for Pilot on Open Research Data from Task 11Health actions that participates in the ORDPThe Data Management Plan will be generated within 6 months after the project starts for participating in the H2020 Pilot on Open Research Data This plan will be included in the Project Management Plan which will be updated yearly

First publication of SLEEP REVOLUTION project in JSR or other scientific journal, as deemed appropriate.

First publication of SLEEP REVOLUTION project in JSR or other scientific journal as deemed appropriate from Task 121The ESRS publishes one of the principle international scientific journals the Journal of Sleep Research JSR which with an impact factor of 34 is in the top 3 international scientific sleep journals publishing original research

First dissemination of findings from SLEEP REVOLUTION project.

First dissemination of findings from SLEEP REVOLUTION project from Task 122OSA is a multisystem disorder that has important cardiometabolic comorbidities which are often not well recognised by health professionals and patients within these disciplines ESRS will play a central role in dissemination of relevant findings from SLEEP REVOLUTION to professional organizations with many sleep apnoea patients cardiology neurology respiratory diabetes obesity within Europe to patient organizations as well as to European societies Such dissemination is facilitated by established intersociety links with other European Societies such as the European Society of Hypertension the ERS and the European Academy of Neurology that have already resulted in the publication of joint position papers on the association of sleep apnoea with important comorbidities such as hypertension 64 and stroke 65 A website for the SLEEP REVOLUTION project will also be setup and linked to the the wwwesrseu website

First project presentation at the ESRS Scientific Congresses.

First project presentation at the ESRS Scientific Congresses from Task 121The ESRS holds annual conferences relating to sleep research and medicine The biannual ESRS Congress is the premier scientific congress in Europe relating to sleep research The Sleep and Breathing Congress is a biannual conference held jointly with ERS that is especially focused on education and continuing professional development These events provide the optimum opportunity to present original data arising from research performed in the various WPs of SLEEP REVOLUTION

Translation to different languages

Translation to different languages from Task 74All applicable text and functions in the DMP as seen by healthcare professionals and research staff will be in English A part of the development strategy of the DMP will make the text easily translated to other languages The translation aspect will therefore be included from the start and translating the DMP to a new language will include the manual labour of working with structured files However for the research subjectpatient relevant text and functions in the DMP will need to be translated into the respective language of different countries participating in WP810 This includes the PROMs in the European Sleep Questionnaire and electronic sleep diary NEH which require translation with the assistance of experienced translators The visualizations of data from the wearables will need some translations for each country which this task will also cover If needed text and functions in relation to the mobile application program by SKH objective daytime testing wearables Withings and ES sleep studies NOX and overall platform will also be translated This may however not be needed in all countries depending on the English proficiency of the population eg not needed in Iceland and we will assess which languages are needed as a part of this task

Deep learning algorithm for automatic estimation of sleep microstructure.

Deep learning algorithm for automatic estimation of sleep microstructure from Task 32This deliverable includes the followingTo validate the stateoftheart deep learning methodologies currently being developed for automatic sleep staging by our team The detailed deep learningbased analysis will allow the assessment of a time series analysis of the continuity of sleep microstructure instead of sleep fragmentation definitions based on arbitrary and discrete 30 seconds epochs Finally novel arousal detection will be incorporated into the sleep staging and the effect of arousal length and magnitude to patients wellbeing will be investigated

Respiratory event quantification by an expanded number of potentially important clinical parameters.

Respiratory event quantification by an expanded number of potentially important clinical parameters from Task 31The deliverable includes the following quantificationTo quantify respiratory events A by different physiological parameters This includes parameters such as the traditional AHI apnoea and hypopnea length the individual role of apnoeas vs hypopneas snore percentage and duration of total sleep snore loudness flow limitation and breathing effort Different physiological parameters will be assessed to find the most clinically relevant methods of quantifying A

Recommendations for most relevant and information-rich signals to be measured in sleep studies.

Recommendations for most relevant and informationrich signals to be measured in sleep studies from Task 53Using the sophisticated deep neural networks for an accurate SDB diagnosis and severity assessment will guide us to select the most informationrich signals and determine the minimum sensor and sampling setups needed This is critically important to optimise the diagnostic sensitivity minimum sensor setup maximal patient comfort and automation of data processing and analysis This information will be used for the final design of the SAS system in WP6 and included in the stateoftheart scoring manual created in WP4 D44

Real-world estimates of long-term costs of OSA

Realworld estimates of longterm costs of OSA from Task 111This deliverable is to collect relevant data on longterm costs of SDB and OSA using the retrospective data collected in WP3 This data will be utilized to select the most relevant measures and outcomes As the outcomesmeasures are not specific to SDB alone SDBrelated contribution will be extracted by using population attributable factors based on the known prevalence of diseases and increased risks related to SDB and OSA Here the analysed datasets will include at least 1 a longitudinal Kuopio Osteoporosis Risk Factor and Prevention Study OSTPREstudy on more than 14000 aging females followed since 1989 with questionnaires health investigations and registerbased followup and 2 a registerbased Diabetes in Finland FinDMresearch dataset of about one million persons with diagnosed diabetes since 1964

Comparison of unsupervised and supervised learning outcomes for SDB-related co-morbidities.

Comparison of unsupervised and supervised learning outcomes for SDBrelated comorbidities from Task 52Here we will to use backpropagation to pinpoint the most relevant signal features utilised by the machine learning approach when predicting the probabilities for OSArelated comorbidities and compare unsupervised to supervised machine learning techniques

Simulation-based estimates of cost benefits of novel technology in treatment and prevention of SDB and OSA

Simulation-based estimates of cost benefits of novel technology in treatment and prevention of SDB and OSA from Task 11.2.With the rapid ageing of the population in Europe, it is increasingly important to obtain also reliable estimates of the future development of the SDB-related comorbidities and disability burden, healthy and disease-free life years and costs for policy makers and other stakeholders. Therefore, the results of task D11.1-D.11.2 will be summarised to generate a simulation-based estimates of cost benefits of novel technology in treatment and prevention of SDB and OSA.

Reliability report on automatic and manual scorings.

Reliability report on automatic and manual scorings from Task 42The agreement between the automatic analysis approach D41 and manual scorers D42 will be evaluated and submitted in a report

Acute systemic effect quantification by an expanded number of potentially important clinical parameters.

Acute systemic effect quantification by an expanded number of potentially important clinical parameters from Task 33The deliverable includes the followingTo expand the selection of parameters for pulse oximetry and ECG data for evaluating the risk of the most common OSArelated comorbidities such as cardiovascular diseases cerebrovascular diseases and metabolic disorders

Establishment of an ethical guardian at each study site.

Establishment of an ethical guardian at each study site from Task 13.2.Due to the complexity of the network involved in this study, an ethical guardian will be appointed to co-ordinate ethical approval application processes in each of the institutions and countries involved in the data collection.

Establishment of the External Ethics Advisory Board

Establishment of the External Ethics Advisory Board from Task 13.2.a one-person EEAB will be established at the beginning of the project and maintained until the end of the project.

Publications

Future Treatment of Sleep Disorders: Syndromic Approach Versus Management of Treatable Traits?

Author(s): Dirk Pevernagie
Published in: Sleep Medicine Clinics, Issue vol 16 (3), 2021, Page(s) 465-473, ISSN 1556-407X
Publisher: Elsevier BV
DOI: 10.1016/j.jsmc.2021.05.005

Deep Learning Enables Automatic Sleep Staging from Textile Electrode-Based Home Sleep Recordings

Author(s): M. Rusanen, R. Huttunen, H. Korkalainen, J. Töyräs, S. Myllymaa, T. Leppänen, S. Sigurdardottir, E.S. Arnardottir, S. Kainulainen
Published in: Sleep Medicine, Issue 100, 2022, Page(s) S294, ISSN 1389-9457
Publisher: Elsevier BV
DOI: 10.1016/j.sleep.2022.05.795

Obstructive sleep apnea-related intermittent hypoxaemia is associated with impaired vigilance

Author(s): Purbanka Pahari, Henri Korkalainen, Tuomas Karhu, Marika Rissanen, Erna Sif Arnardottir, Harald Hrubos-Strøm, Brett Duce, Juha Töyräs, Timo Leppänen, Sami Nikkonen
Published in: Journal of Sleep Research, 2022, ISSN 1613-6810
Publisher: Wiley - V C H Verlag GmbbH & Co.
DOI: 10.1111/jsr.13803

Anomaly Detection in Sleep: Detecting Mouth Breathing in Children

Author(s): Biedebach, L., Óskarsdóttir, M., Arnardóttir, E.S. et al.
Published in: Data Min Knowl Disc, 2023, ISSN 2380-0577
Publisher: Springer Link
DOI: 10.1007/s10618-023-00985-x

Acute Cardiorespiratory Coupling Impairment in Worsening Sleep Apnea-Related Intermittent Hypoxemia

Author(s): Hietakoste, S. et al
Published in: IEEE Transactions on Biomedical Engineering, 2023, ISSN 0018-9294
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.1109/tbme.2023.3300079

Machine Learning and Wearable Technology in Sleep Medicine

Author(s): T. Leppänen, C. Varon, M.d. Zambotti, and S. Myllymaa
Published in: Front. Digit. Health, 2022, 4:845879, Issue 2673253X, 2022, ISSN 2673-253X
Publisher: Frontiers in digital health
DOI: 10.3389/fdgth.2022.845879

Obstructive Sleep Apnea Patients With AtrialArrhythmias Suffer From ProlongedRecovery From Desaturations

Author(s): Rissanen, M. et al
Published in: IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING, 2023, ISSN 0018-9294
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.1109/tbme.2023.3236680

To breathe, or not to breathe through the mouth: analysing mouth breathing in a pediatric sleep study

Author(s): L. Biedebach, D. Gozal, E.S. Arnardóttir, S. Sigurðardóttir, A.S. Islind
Published in: Sleep Medicine, Issue 115, 2024, Page(s) S286-S287, ISSN 1389-9457
Publisher: Elsevier BV
DOI: 10.1016/j.sleep.2023.11.783

Optimal Electroencephalogram and Electrooculogram Signal Combination for Deep Learning-based Sleep Staging

Author(s): Masoumeh Tashakori, Matias Rusanen, Tuomas Karhu, Riku Huttunen, Timo Leppänen, Sami Nikkonen
Published in: IEEE Journal of Biomedical and Health Informatics, 2025, Page(s) 1-8, ISSN 2168-2194
Publisher: Institute of Electrical and Electronics Engineers Inc.
DOI: 10.1109/jbhi.2025.3541453

The role of physical activity on obstructive sleep apneaseverity and hypoxic load, and the mismatch betweensubjective and objective physical activity assessments

Author(s): Fridgeirsdottir, K. Y., Ólafsdottir, K. A.,Islind, A. S., Leppänen, T., Arnardottir, E. S., & Saavedra, J. M.
Published in: Journal of Sleep Research, 2024, ISSN 0962-1105
Publisher: Blackwell Publishing Inc.
DOI: 10.1111/jsr.14195

Development of a frequency-domain based automatic event detection algorithm for EDA sleep signals and comparison with manual scorings

Author(s): J. Piccini, S.L.N. Aziz Hanna, E.S. Arnardóttir, E. August
Published in: Sleep Medicine, Issue 100, 2022, Page(s) S295-S296, ISSN 1389-9457
Publisher: Elsevier BV
DOI: 10.1016/j.sleep.2022.05.798

The interaction between comorbidities and sleep stages influences oxygen re‐saturation characteristics

Author(s): Timothy P. Howarth, Salla Hietakoste, Serajeddin Ebrahimian, Marika Rissanen, Samu Kainulainen, Tuomas Karhu
Published in: Journal of Sleep Research, 2025, ISSN 0962-1105
Publisher: Blackwell Publishing Inc.
DOI: 10.1111/jsr.14459

Evaluating User Compliance in Mobile Health Apps: Insights from a 90-Day Study Using a Digital Sleep Diary

Author(s): Hlín Kristbergsdottir; Lisa Schmitz; Erna Sif Arnardottir; Anna Sigridur Islind
Published in: Diagnostics, Vol 13, Iss 18, p 2883 (2023), Issue 5, 2023, ISSN 2075-4418
Publisher: Basel: MDPI AG
DOI: 10.3390/diagnostics13182883

An algorithmic approach to identification of gray areas: Analysis of sleep scoring expert ensemble non agreement areas using a multinomial mixture model

Author(s): Jouan, G., Arnardóttir, E.S., Islind, A.S., Óskarsdóttir, M.
Published in: European Journal of Operational Research, 2023, ISSN 0377-2217
Publisher: Elsevier BV
DOI: 10.1016/j.ejor.2023.09.039

An In-Laboratory Comparison of FocusBand EEG Device and Textile Electrodes Against a Medical-Grade System and Wet Gel Electrodes

Author(s): M. Rusanen, S. Myllymaa, L. Kalevo, K. Myllymaa, J. Töyräs, T. Leppänen, and S. Kainulainen
Published in: IEEE Access, 2021, 9:132580-132591, Issue 21693536, 2021, ISSN 2169-3536
Publisher: Institute of Electrical and Electronics Engineers Inc.
DOI: 10.1109/access.2021.3113049

Does Obstructive Sleep Apnea Lead to Progression of Chronic Obstructive Pulmonary Disease

Author(s): Walter T. McNicholas
Published in: Sleep Medicine Clinics, Issue 19, 2024, Page(s) 253-260, ISSN 1556-407X
Publisher: Elsevier BV
DOI: 10.1016/j.jsmc.2024.02.005

Self-Applied Electrode Set Provides a Clinically Feasible Solution Enabling EEG Recording in Home Sleep Apnea Testing

Author(s): LAURA KALEVO, TOMI MIETTINEN, AKSELI LEINO, SUSANNA WESTEREN-PUNNONEN, JOHANNA SAHLMAN, ESA MERVAALA, JUHA TÖYRÄS, TIMO LEPPÄNEN, SAMI MYLLYMAA, KATJA MYLLYMAA
Published in: IEEE Access, Issue vol 10, 2022, Page(s) 60633-60642, ISSN 2169-3536
Publisher: Institute of Electrical and Electronics Engineers Inc.
DOI: 10.1109/access.2022.3178189

Deep Learning Enables Accurate Automatic Sleep Staging Based on Ambulatory Forehead EEG

Author(s): Akseli Leino; Henri Korkalainen; Laura Kalevo; Sami Nikkonen; Samu Kainulainen; Alexander Ryan; Brett Duce; Kirsi Sipila; Jari Ahlberg; Johanna Sahlman; Tomi Miettinen; Susanna Westeren-Punnonen; Esa Mervaala; Juha Toyras; Sami Myllymaa; Timo Leppanen; Katja Myllymaa
Published in: IEEE Access, Issue Vol 10, 2022, Page(s) 26554 - 26566, ISSN 2169-3536
Publisher: Institute of Electrical and Electronics Engineers Inc.
DOI: 10.1109/access.2022.3154899

The Sleep Revolution Platform: a Dynamic Data Source Pipeline and Digital Platform Architecture for Complex Sleep Data

Author(s): Bjarki Freyr Sveinbjarnarson; Lisa Schmitz; Erna Sif Arnardottir; Anna Sigridur Islind
Published in: Current Sleep Medicine Reports, 2023, ISSN 2198-6401
Publisher: Springer Nature
DOI: 10.1007/s40675-023-00252-x

ABOSA – Freely available automatic blood oxygen saturation signal analysis software: Structure and validation

Author(s): Tuomas Karhu, Timo Leppänen, Juha Töyräs, Arie Oksenberg, Sami Myllymaa, Sami Nikkonen
Published in: Computer Methods and Programs in Biomedicine, Issue vol 226, 2022, ISSN 2169-3536
Publisher: Institute of Electrical and Electronics Engineers Inc.
DOI: 10.1016/j.cmpb.2022.107120

What are the important risk factors for excessive daytime sleepiness in a population‐based cohort?

Author(s): Jenny Theorell‐Haglöw, Martin Ulander, John Brandberg, Martin Claesson, Karl A. Franklin, Jan Hedner, Magnus Hultin, Fredrik Iredahl, Eva Lindberg, Mirjam Ljunggren, Andrei Malinovschi, Maria Mannila, Ida Pesonen, Anthony Prakash, Carin Sahlin, Magnus Sköld, Jonas Spaak, Hanan Tanash, Ding Zou, Ludger Grote
Published in: Journal of Sleep Research, 2025, ISSN 0962-1105
Publisher: Blackwell Publishing Inc.
DOI: 10.1111/jsr.14449

Generalizable Deep Learning-based Sleep Staging Approach for Ambulatory Textile Electrode Headband Recordings

Author(s): M. Rusanen, R. Huttunen, H. Korkalainen, S. Myllymaa, J. Töyräs, K. Myllymaa, S. Sigurdardottir, K. A. Olafsdottir, T. Leppänen, E. S. Arnardottir, S. Kainulainen
Published in: IEEE Journal of Biomedical and Health Informatics, 2023, ISSN 2169-3536
Publisher: Institute of Electrical and Electronics Engineers Inc.
DOI: 10.1109/jbhi.2023.3240437

The effect of orofacial myofunctional therapy with autofeedback in patients with mild or moderate obstructive sleep apnea

Author(s): A. Köster, H. Vaher, D. Dobran Hansen, U. Tinbod, H. Mäkinen, H. Hrubos-Strøm, T. Jagomägi
Published in: Sleep Medicine, Issue 115, 2024, Page(s) S392, ISSN 1389-9457
Publisher: Elsevier BV
DOI: 10.1016/j.sleep.2023.11.1056

Deep learning-based algorithm accurately classifies sleep stages in preadolescent children with sleep-disordered breathing symptoms and age-matched controls

Author(s): Somaskandhan P, Leppänen T, Terrill PI, Sigurdardottir S, Arnardottir ES, Ólafsdóttir KA, Serwatko M, Sigurðardóttir SÞ, Clausen M, Töyräs J and Korkalainen H
Published in: Sleep Disorders, a section of the journal Frontiers in Neurology, 2023, ISSN 1664-2295
Publisher: Frontiers Research Foundation
DOI: 10.3389/fneur.2023.1162998

The Role of Patient-Reported Outcomes in Sleep Measurements

Author(s): Dirk Pevernagie, Fré A.Bauters, Katrien Hertegonne
Published in: Sleep Medicine Clinics, Issue vol 16 (4), 2021, Page(s) 595-606, ISSN 1556-407X
Publisher: Elsevier BV
DOI: 10.1016/j.jsmc.2021.07.001

Effects of Exercise and a Lifestyle App on Sleep-Disordered Breathing, Physical Health, and quality of Life

Author(s): Katrin Y. Fridgeirsdottir, Conor J. Murphy, Anna Sigridur Islind, Birta S. Árnadóttir, Harald Hrubos-Strøm, Erna S. Arnardottir, Jose M. Saavedra
Published in: ERJ Open Research, 2025, Page(s) 01134-2024, ISSN 2312-0541
Publisher: European Respiratory Society (ERS)
DOI: 10.1183/23120541.01134-2024

The Future of Sleep Measurements: A Review and Perspective.

Author(s): Erna Sif Arnardottir; Anna Sigridur Islind; María Óskarsdóttir
Published in: Sleep Medicine Clinics, Issue 16 (3), 2021, Page(s) 447-464, ISSN 1556-407X
Publisher: Elsevier BV
DOI: 10.1016/j.jsmc.2021.05.004

QTc prolongation is associated with severe desaturations in stroke patients with sleep apnea

Author(s): S. Sillanmäki, J. Lipponen, H. Korkalainen, A. Kulkas, T. Leppänen, J. Töyräs, B. Duce, S. Kainulainen
Published in: BMC Pulmonary Medicine volume 22, Article number: 204 (2022), Issue 14712466, 2022, ISSN 1471-2466
Publisher: BioMed Central
DOI: 10.1186/s12890-022-01996-y

Error Propagation from Sleep Stage Classification to Derived Sleep Parameters in Machine Learning on Data from Wearables

Author(s): Emil Hardarson; Anna Sigridur Islind; Erna Sif Arnardottir; María Óskarsdóttir
Published in: Current Sleep Medicine Reports, Issue 2, 2023, ISSN 2198-6401
Publisher: Springer Nature
DOI: 10.1007/s40675-023-00253-w

Multi-centre arousal scoring agreement in the Sleep Revolution

Author(s): Pitkänen, H., Nikkonen, S., Rissanen,M., Islind, A. S., Gretarsdottir, H., Arnardottir, E. S., Leppänen,T., & Korkalainen, H.
Published in: Journal of Sleep Research, 2023, ISSN 0962-1105
Publisher: Blackwell Publishing Inc.
DOI: 10.1111/jsr.14127

Beyond the apnea–hypopnea index: alternative diagnostic parameters and machine learning solutions for estimation of sleep apnea severity

Author(s): T. Leppänen, S. Myllymaa, A. Kulkas, and J. Töyräs
Published in: Sleep, Volume 44, Issue 9, September 2021, zsab134,, Issue 01618105, 2021, ISSN 0161-8105
Publisher: The American Academy of Sleep Medicine
DOI: 10.1093/sleep/zsab134

Nocturnal short-term heart rate variability reflects impaired daytime vigilance better than overnight heart rate variability in suspected obstructive sleep apnea patients

Author(s): Salla Hietakoste, Tuomas Karhu, Carolina Lombardi, Pablo Armañac-Julián, Raquel Bailón, Brett Duce, Saara Sillanmäki, Juha Töyräs, Timo Leppänen, Sami Myllymaa, Samu Kainulainen
Published in: SLEEP, Issue 48, 2025, ISSN 0161-8105
Publisher: The American Academy of Sleep Medicine
DOI: 10.1093/sleep/zsae282

An optimized framework for processing multicentric polysomnographic data incorporating expert human oversight

Author(s): Benedikt Holm, Gabriel Jouan, Emil Hardarson, Sigríður Sigurðardottir, Kenan Hoelke, Conor Murphy, Erna Sif Arnardóttir, María Óskarsdóttir, Anna Sigríður Islind
Published in: Frontiers in Neuroinformatics, Issue 18, 2024, ISSN 1662-5196
Publisher: Frontiers Research Foundation
DOI: 10.3389/fninf.2024.1379932

Deep learning for sleep analysis on children with sleep-disordered breathing: Automatic detection of mouth breathing events.

Author(s): Sturludóttir Jóna Elísabet, Sigurðardóttir Sigríður, Serwatko Marta, Arnardóttir Erna S., Hrubos-Strøm Harald, Clausen Michael Valur, Sigurðardóttir Sigurveig, Óskarsdóttir María, Islind Anna Sigridur
Published in: Frontiers in Sleep, Issue Vol 2, 2023, ISSN 2813-2890
Publisher: Frontiers Media SA
DOI: 10.3389/frsle.2023.1082996

The influence of diabetes on sleep-derived cardiorespiratory features of the finger pulse wave signal – The population-based SCAPIS study

Author(s): Christian Strassberger, Jan Hedner, Dirk Sommermeyer, Ding Zou, Ludger Grote
Published in: Sleep Medicine, Issue 122, 2024, Page(s) 245-252, ISSN 1389-9457
Publisher: Elsevier BV
DOI: 10.1016/j.sleep.2024.08.016

Explaining cognitive complaints in obstructive sleep apnea (OSA) with OSA severity, depression symptoms, and sleep architecture: a path model analysis

Author(s): B. Gailer; E. Richert; E.S. Arnardóttir; K.R. Jóhannsdóttir
Published in: Neuroscience Applied, Issue 1, 2023, ISSN 2772-4085
Publisher: Amsterdam Elsevier B.V.
DOI: 10.1016/j.nsa.2023.103833

Feasibility and usability of three consecutive nights with self‐applied, home polysomnography

Author(s): Dimitri Ferretti, Anna S. Islind, Kristín A. Ólafsdóttir, Sigridur Sigurdardottir, Kamilla R. Jóhannsdóttir, Jan Hedner, Ludger Grote, Erna Sif Arnardottir
Published in: Journal of Sleep Research, Issue 34, 2025, ISSN 0962-1105
Publisher: Blackwell Publishing Inc.
DOI: 10.1111/jsr.14286

A-phase index: an alternative view for sleep stability analysis based on automatic detection of the A-phases from the cyclic alternating pattern

Author(s): Fábio Mendonça, Sheikh Shanawaz Mostafa, Ankit Gupta, Erna Sif Arnardottir, Timo Leppänen, Fernando Morgado-Dias, Antonio G Ravelo-García
Published in: Sleep, 2022;, zsac217, Issue 01618105, 2022, ISSN 0161-8105
Publisher: The American Academy of Sleep Medicine
DOI: 10.1093/sleep/zsac217

Driving restrictions in patients with obstructive sleep apnoea: who, how and are they effective?

Author(s): Walter T. McNicholas
Published in: ERJ Open Research, Issue 10, 2025, Page(s) 00634-2024, ISSN 2312-0541
Publisher: European Respiratory Society (ERS)
DOI: 10.1183/23120541.00634-2024

Verbal memory is linked to average oxygen saturation during sleep, not the apnea-hypopnea index nor novel hypoxic load variables

Author(s): K. Thorisdottir, H. Hrubos-Strøm, T. Karhu, S. Nikkonen, T. Dammen, I.H. Nordhus, T. Leppänen, M.K. Jónsdóttir, E.S. Arnardottir
Published in: Sleep Medicine, Issue 123, 2024, Page(s) 29-36, ISSN 1389-9457
Publisher: Elsevier BV
DOI: 10.1016/j.sleep.2024.08.028

Importance of Getting Enough Sleep and Daily Activity Data to Assess Variability: Longitudinal Observational Study

Author(s): María Óskarsdóttir, Anna Sigríður Íslind, Elias August, Erna Sif Arnardóttir, François Patou, Anja M Maier
Published in: JMIR Formative Research, Issue Vol 6, No 2 (2022): February, 2022, Page(s) 455, ISSN 2561-326X
Publisher: JMIR Publications
DOI: 10.2196/31807

Technical Performance of Textile-Based Dry Forehead Electrodes Compared With Medical-Grade Overnight Home Sleep Recordings

Author(s): M. Rusanen, S. Kainulainen, H. Korkalainen, T. Leppänen, J. Töyräs, E.S. Arnardóttir, S. Myllymaa
Published in: IEEE Access, Issue 21693536, 2021, ISSN 2169-3536
Publisher: Institute of Electrical and Electronics Engineers Inc.
DOI: 10.1109/access.2021.3128057

Using the gold mine of sleep data recorded to increase our understanding of sleep

Author(s): Thomas Penzel
Published in: SLEEP, Issue 47, 2024, ISSN 0161-8105
Publisher: The American Academy of Sleep Medicine
DOI: 10.1093/sleep/zsae121

The modified Baveno classification for obstructive sleep apnoea: development and evaluation based on the ESADA database

Author(s): Sandhya Matthes, Marcel Treml, Ludger Grote, Jan Hedner, Ding Zou, Maria R. Bonsignore, Jean-Louis Pépin, Sébastien Bailly, Silke Ryan, Walter T. McNicholas, Sofia E. Schiza, Johan Verbraecken, Athanasia Pataka, Paweł Śliwiński, Özen K. Basoglu, Carolina Lombardi, Gianfranco Parati, Winfried J. Randerath
Published in: European Respiratory Journal, Issue 64, 2025, Page(s) 2401371, ISSN 0903-1936
Publisher: European Respiratory Society
DOI: 10.1183/13993003.01371-2024

Retrospective validation of automatic sleep analysis with grey areas model for human‐in‐the‐loop scoring approach

Author(s): Matias Rusanen, Gabriel Jouan, Riku Huttunen, Sami Nikkonen, Sigríður Sigurðardóttir, Juha Töyräs, Brett Duce, Sami Myllymaa, Erna Sif Arnardottir, Timo Leppänen, Anna Sigridur Islind, Samu Kainulainen, Henri Korkalainen
Published in: Journal of Sleep Research, 2024, ISSN 0962-1105
Publisher: Blackwell Publishing Inc.
DOI: 10.1111/jsr.14362

The economic cost of obstructive sleep apnea: A systematic review

Author(s): Ida Alakörkkö, Soili Törmälehto, Timo Leppänen, Walter T. McNicholas, Erna S. Arnardottir, Reijo Sund,
Published in: Sleep Medicine Reviews, Issue Volume 72, 2023, ISSN 1087-0792
Publisher: W. B. Saunders Co., Ltd.
DOI: 10.1016/j.smrv.2023.101854

Sleep stage continuity is associated with objective daytime sleepiness in patients with suspected obstructive sleep apnea

Author(s): Xin Chen, Timo Leppänen, Samu Kainulainen, Timothy P. Howarth, Arie Oksenberg, Juha Töyräs, Philip I. Terrill, Henri Korkalainen
Published in: Journal of Clinical Sleep Medicine, Issue 20, 2024, Page(s) 1595-1606, ISSN 1550-9389
Publisher: The American Academy of Sleep Medicine
DOI: 10.5664/jcsm.11198

Multicentre sleep-stage scoring agreement in the Sleep Revolution project

Author(s): Nikkonen, S., Somaskandhan, P.,Korkalainen, H., Kainulainen, S., Terrill, P. I., Gretarsdottir, H.,Sigurdardottir, S., Olafsdottir, K. A., Islind, A. S., Óskarsdottir,M., Arnardottir, E. S., & Leppänen, T.
Published in: Journal of Sleep Research, 2024, ISSN 0962-1105
Publisher: Blackwell Publishing Inc.
DOI: 10.1111/jsr.13956

Gamma Power of ElectroencephalogramArousal Is Modulated by Respiratory EventType and Severity in Obstructive Sleep Apnea

Author(s): Henna Pitkänen , Brett Duce , Timo Leppänen , Samu Kainulainen , Antti Kulkas , Sami Myllymaa , Juha Töyräs , and Henri Korkalainen
Published in: IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING,, Issue vol 69, 2022, Page(s) 1417-1423, ISSN 2169-3536
Publisher: Institute of Electrical and Electronics Engineers Inc.
DOI: 10.1109/tbme.2021.3118229

Respiratory event index underestimates severity of sleep apnea compared to apnea-hypopnea index

Author(s): Minna Pitkänen, Rajdeep Kumar Nath, Henri Korkalainen, Sami Nikkonen, Alaa Mahamid, Arie Oksenberg, Brett Duce, Juha Töyräs, Samu Kainulainen, Timo Leppänen
Published in: Sleep Advances, Issue 5, 2024, ISSN 2632-5012
Publisher: Oxford University Press (OUP)
DOI: 10.1093/sleepadvances/zpad054

Variation in the Photoplethysmogram Response to Arousal From Sleep Depending on the Cause of Arousal and the Presence of Desaturation

Author(s): Luukinen, M. et al.
Published in: IEEE Journal of Translational Engineering in Health and Medicine, 2024, ISSN 2168-2372
Publisher: Institute of Electrical and Electronics Engineers Inc.
DOI: 10.1109/jtehm.2024.3349916

Reaction time in psychomotor vigilance task is related to hypoxic load in males with sleep apnea

Author(s): Pahari, P., Korkalainen, H., Karhu, T.,Arnardottir, E. S., Töyräs, J., Leppänen, T., & Nikkonen, S.
Published in: Journal of Sleep Research, 2023, ISSN 0962-1105
Publisher: Blackwell Publishing Inc.
DOI: 10.1111/jsr.13988

Translation of obstructive sleep apnea pathophysiology and phenotypes to personalized treatment: a narrative review

Author(s): Walter T. McNicholas, Henri Korkalainen
Published in: Frontiers in Neurology, 2023, ISSN 1664-2295
Publisher: Frontiers Research Foundation
DOI: 10.3389/fneur.2023.1239016

Utilizing Envelope Analysis of a Nasal Pressure Signal for Sleep Apnea Severity Estimation

Author(s): Mikke Varis, Tuomas Karhu, Timo Leppänen, Sami Nikkonen
Published in: Diagnostics, Issue 13, 2025, Page(s) 1776, ISSN 2075-4418
Publisher: MDPI AG
DOI: 10.3390/diagnostics13101776

Morbid obesity influences the nocturnal electrocardiogram wave and interval durations among suspected sleep apnea patients

Author(s): Samu Kainulainen, Aaron Suni, Jukka A. Lipponen, Antti Kulkas, Brett Duce, Henri Korkalainen, Sami Nikkonen, Saara Sillanmäki
Published in: Annals of Noninvasive Electrocardiology, Issue 29, 2024, ISSN 1082-720X
Publisher: Blackwell Publishing Inc.
DOI: 10.1111/anec.13101

Platform-based streamlining of research on diversified sleep data

Author(s): B.F. Sveinbjarnarson, L. Schmitz, A.S. Islind, E.S. Arnardottir
Published in: Sleep Medicine, Issue 100, 2022, Page(s) S300, ISSN 1389-9457
Publisher: Elsevier BV
DOI: 10.1016/j.sleep.2022.05.810

The Sleep Revolution: the concept and objectives

Author(s): E.S. Arnardottir, A.S. Islind, M. Óskarsdóttir, K.A. Ólafsdóttir, E. August, L. Jónasdóttir, H. Hrubos-Strøm, J.M. Saavedra, L. Grote, J. Hedner, S. Höskuldsson, J. Skírnir Ágústsson, K. Rún Jóhannsdóttir, W.T. McNicholas, D. Pevernagie, R. Sund, J. Töyräs, T. Leppänen, On behalf of the Sleep Revolution
Published in: J Sleep Res . 2022 Aug;31(4):e13630. doi: 10.1111/jsr.13630. Epub 2022 Jun 30., Issue 13652869, 2022, ISSN 1365-2869
Publisher: Journal of Sleep Research
DOI: 10.1111/jsr.13630

Interhemispheric differences of electroencephalography signal characteristics in different sleep stages

Author(s): Masoumeh Tashakori, Matias Rusanen, Tuomas Karhu, Ludger Grote, Rajdeep Kumar Nath, Timo Leppänen, Sami Nikkonen
Published in: Sleep Medicine, Issue 117, 2024, Page(s) 201-208, ISSN 1389-9457
Publisher: Elsevier BV
DOI: 10.1016/j.sleep.2024.03.024

Oxygen resaturation rate is significantly associated with objectively assessed excessive daytime sleepiness in suspected obstructive sleep apnoea patients

Author(s): Timothy P. Howarth; Tuomas Karhu; Samu Kainulainen; Xin Chen; Alaa Mahamid; Juha Töyräs; Timo Leppänen
Published in: Sleep Medicine, Issue 20, 2023, ISSN 1389-9457
Publisher: Elsevier BV
DOI: 10.1016/j.sleep.2023.04.027

Duration of respiratory events in obstructive sleep apnea: Factors influencing the duration of respiratory events

Author(s): Arie Oksenberg, Timo Leppänen
Published in: Sleep Medicine Reviews, Issue vol 68, 2022, ISSN 2169-3536
Publisher: Institute of Electrical and Electronics Engineers Inc.
DOI: 10.1016/j.smrv.2022.101729

Search filters for systematic reviews and meta-analyses in sleep medicine

Author(s): Gabriel Natan Pires, Erna S. Arnardóttir, Jose M. Saavedra, Sergio Tufik, Walter T. McNicholas
Published in: Sleep Medicine, Issue 127, 2025, Page(s) 100-119, ISSN 1389-9457
Publisher: Elsevier BV
DOI: 10.1016/j.sleep.2024.12.032

BreathFinder: A Method for Non-Invasive Isolation of Respiratory Cycles Utilizing the Thoracic Respiratory Inductance Plethysmography Signal

Author(s): Holm B , Borsky M, Arnardottir ES, Serwatko M, Mallett J, Islind AS, Óskarsdóttir M
Published in: Nature and Science of Sleep, Issue Volume 2024:16, 2024, Page(s) 1253—1266, ISSN 1179-1608
Publisher: Dove Medical Press Ltd.
DOI: 10.2147/nss.s468431

Prolonged lung-to-finger circulation time indicates an increased risk of intermittent hypoxaemia in sleep apnoea patients

Author(s): Purbanka Pahari, Henri Korkalainen, Erna Sif Arnardóttir, Anna Sigridur Islind, Elias August, Arie Oksenberg, Juha Töyräs, Timo Leppänen, Sami Nikkonen
Published in: ERJ Open Research, Issue 10, 2025, Page(s) 01051-2023, ISSN 2312-0541
Publisher: European Respiratory Society (ERS)
DOI: 10.1183/23120541.01051-2023

Guidelines for the development, performance evaluation and validation of new sleep technologies (DEVSleepTech guidelines) - a protocol for a Delphi consensus study

Author(s): Pires GN, Arnardóttir ES, Bailly S, McNicholas WT.
Published in: Journal of Sleep Research, 2024, ISSN 0962-1105
Publisher: Blackwell Publishing Inc.
DOI: 10.1111/jsr.14163

Inter-sleep stage variations in corrected QT interval differ between obstructive sleep apnea patients with and without stroke history

Author(s): Serajeddin Ebrahimian, Saara Sillanmäki, Salla Hietakoste, Brett Duce, Antti Kulkas, Juha Töyräs, Timo Leppänen, Jukka A. Lipponen, Samu Kainulainen
Published in: Plos One, Issue 17 (12), 2022, ISSN 1932-6203
Publisher: Public Library of Science
DOI: 10.1371/journal.pone.0278520

Arousal burden is highest in supine sleeping position and during light sleep

Author(s): Minna Pitkänen, Juho Huovinen, Marika Rissanen, Henna Pitkänen, Samu Kainulainen, Thomas Penzel, Francesco Fanfulla, Ulla Anttalainen, Tarja Saaresranta, Ludger Grote, Jan Hedner, Richard Staats, Brett Duce, Juha Töyräs, Arie Oksenberg, Timo Leppänen
Published in: Journal of Clinical Sleep Medicine, Issue 21, 2025, Page(s) 337-344, ISSN 1550-9389
Publisher: The American Academy of Sleep Medicine
DOI: 10.5664/jcsm.11398

Validation of manually scored multichannel frontal electroencephalography against polysomnography in a paediatric cohort

Author(s): Sigridur Sigurdardottir, Henna Pitkänen, Henri Korkalainen, Samu Kainulainen, Marta Serwatko, Kristin A. Olafsdottir, Sigurveig Þ. Sigurðardóttir, Michael Clausen, Pranavan Somaskandhan, Barbara G. Stražišar, Timo Leppänen, Erna Sif Arnardottir
Published in: Journal of Sleep Research, 2025, ISSN 0962-1105
Publisher: Blackwell Publishing Inc.
DOI: 10.1111/jsr.70012

Ambulatory diagnosis of sleep-disordered breathing: Pushing out the boundaries

Author(s): Walter T. McNicholas
Published in: Med, Issue Vol 4 Issue 12, 2023, ISSN 2666-6340
Publisher: Elsevier
DOI: 10.1016/j.medj.2023.11.009

Increased Flow Limitation During Sleep Is Associated With Increased Psychomotor Vigilance Task Lapses in Individuals With Suspected OSA

Author(s): Eric Staykov, Dwayne L. Mann, Brett Duce, Samu Kainulainen, Timo Leppänen, Juha Töyräs, Ali Azarbarzin, Thomas Georgeson, Scott A. Sands, Philip I. Terrill,
Published in: CHEST, 2024, ISSN 0012-3692
Publisher: American College of Chest Physicians
DOI: 10.1016/j.chest.2023.11.031

STAR sleep recording export software for automatic export and anonymization of sleep studies

Author(s): Sami Nikkonen, Henri Korkalainen, Juha Töyräs & Timo Leppänen
Published in: Nature, Issue 12, 2022, ISSN 2045-2322
Publisher: Nature Publishing Group
DOI: 10.1038/s41598-022-19892-0

CPAP therapy for obstructive sleep apnoea: persisting challenges in outcome assessment

Author(s): Walter T. McNicholas, Erna Sif Arnardottir, Timo Leppänen, Sophia Schiza, Winfried Randerat
Published in: The European Respiratory Journal, 2023, ISSN 0903-1936
Publisher: European Respiratory Society
DOI: 10.1183/13993003.00182-2023

Temporal and sleep stage‐dependent agreement in manual scoring of respiratory events

Author(s): Minna Pitkänen, Henna Pitkänen, Rajdeep Kumar Nath, Sami Nikkonen, Samu Kainulainen, Henri Korkalainen, Kristín Anna Ólafsdóttir, Erna Sif Arnardottir, Sigridur Sigurdardottir, Thomas Penzel, Francesco Fanfulla, Ulla Anttalainen, Tarja Saaresranta, Ludger Grote, Jan Hedner, Richard Staats, Juha Töyräs, Timo Leppänen
Published in: Journal of Sleep Research, Issue 2024 Nov 4:e14391, 2024, ISSN 0962-1105
Publisher: Blackwell Publishing Inc.
DOI: 10.1111/jsr.14391

Multi-Level Classification of Driver Drowsiness by Simultaneous Analysis of ECG and Respiration Signals Using Deep Neural Networks

Author(s): S. Ebrahimian, A. Nahvi, M. Tashakori, H. Salmanzadeh, O. Mohseni, and T. Leppänen
Published in: Int J Environ Res Public Health, Issue 16604601, 2022, ISSN 1660-4601
Publisher: Int J Environ Res Public Health
DOI: 10.3390/ijerph191710736

Automatic Detection of Electrodermal Activity Events during Sleep

Author(s): Jacopo Piccini; Elias August; Sami Leon Noel Aziz Hanna; Tiina Siilak; Erna Sif Arnardóttir
Published in: Signals, Vol 4, Iss 4, Pp 877-891 (2023), Issue 2, 2023, ISSN 2624-6120
Publisher: Basel: MDPI AG
DOI: 10.3390/signals4040048

Self-Applied Home Sleep Recordings: The Future of Sleep Medicine

Author(s): Henri Korkalainen, Sami Nikkonen, Samu Kainulainen, Amit Krishna Dwivedi, Sami Myllymaa, Timo Leppänen, Juha Töyräs
Published in: Sleep Medicine Clinics, Issue Volume 16, Issue 4,, 2021, Page(s) 545-556, ISSN 1556-407X
Publisher: Elsevier BV
DOI: 10.1016/j.jsmc.2021.07.003

Objective Measures of Cognitive Performance in Sleep Disorder Research.

Author(s): Kamilla Run Johannsdottir; Dimitri Ferretti; Birta Sóley Árnadóttir; Maria K. Jonsdottir
Published in: Sleep Medicine Clinics, Issue 16 (4), 2021, Page(s) 575-593, ISSN 1556-407X
Publisher: Elsevier BV
DOI: 10.1016/j.jsmc.2021.08.002

Novel oxygen desaturation parameters are associated with cardiac troponin I: Data from the Akershus Sleep Apnea Project

Author(s): Fjola D. Sigurdardottir; Caroline Tonje Øverby; Sami Nikkonen; Tuomas Karhu; Toril Dammen; Inger Hilde Nordhus; Thea Thorshov; Gunnar Einvik; Samu Kainulainen; Timo Leppänen; Erna Sif Arnardottir; Juha Töyräs; Torbjørn Omland; Harald Hrubos‐Strøm
Published in: Journal of sleep medicine, 2022, ISSN 1613-6810
Publisher: Wiley - V C H Verlag GmbbH & Co.
DOI: 10.1111/jsr.13581

Advancements in vigilance monitoring: addressing fatigue and sleepiness in driving

Author(s): Thomas Penzel, Matthew Salanitro
Published in: SLEEP, Issue 48, 2025, Page(s) 2025 Feb 10;48(2):zsae294, ISSN 0161-8105
Publisher: The American Academy of Sleep Medicine
DOI: 10.1093/sleep/zsae294

Obstructive sleep apnoea-related respiratory events and desaturation severity are associated with the cardiac response

Author(s): Salla Hietakoste; Tuomas Karhu; Saara Sillanmäki; Raquel Bailón; Thomas Penzel; Juha Töyräs; Timo Leppänen; Sami Myllymaa; Samu Kainulainen
Published in: EJR - European Respiratory Journal, ERJ Open Research, Issue 8 (4), 2022, ISSN 2312-0541
Publisher: ERJ
DOI: 10.1183/23120541.00121-2022

Self-applied somnography: technical feasibility of electroencephalography and electro-oculography signal characteristics in sleep staging of suspected sleep-disordered adults

Author(s): Rusanen, M., Korkalainen, H.,Gretarsdottir, H., Siilak, T., Olafsdottir, K. A., Töyräs, J.,Myllymaa, S., Arnardottir, E. S., Leppänen, T., & Kainulainen, S.
Published in: Journal of SLeep Research, 2024, ISSN 0962-1105
Publisher: Blackwell Publishing Inc.
DOI: 10.1111/jsr.13977

Automatic Non-Invasive Isolation of Respiratory Cycles

Author(s): Holm, Benedikt; ÓskarsdÓttir, MarÍa; ArnardÓttir, Erna S.; Serwatko, Marta; Mallett, Jacky; Borsky, Michal
Published in: Nature and Science of Sleep, Issue 13, 2024, ISSN 1179-1608
Publisher: Dove Medical Press Ltd.
DOI: 10.48550/arxiv.2203.01828

Beat-to-beat cardiac repolarization lability increases during hypoxemia and arousals in obstructive sleep apnea patients

Author(s): Serajeddin Ebrahimian, Saara Sillanmäki, Salla Hietakoste, Antti Kulkas, Juha Töyräs, Raquel Bailón, David Hernando, Carolina Lombardi, Ludger Grote, Maria R. Bonsignore, Tarja Saaresranta, Jean-Louis Pépin, Timo Leppänen, Samu Kainulainen
Published in: American Journal of Physiology-Heart and Circulatory Physiology, Issue 326, 2024, Page(s) H1094-H1104, ISSN 0363-6135
Publisher: American Physiological Society
DOI: 10.1152/ajpheart.00760.2023

The relationship between sleep parameters and symptoms of depression, anxiety, and stress in sleep-disordered breathing

Author(s): E. Richert; E.S. Arnardóttir; K.R. Jóhannsdóttir
Published in: Crossref, Issue 20, 2023, ISSN 2772-4085
Publisher: Amsterdam Elsevier B.V.
DOI: 10.1016/j.nsa.2023.102535

Using the Electrodermal Activity Signal and Machine Learning for Diagnosing Sleep

Author(s): Jacopo Piccini, Elias August, María Óskarsdóttir, Erna Sif Arnardóttir
Published in: Frontiers in Sleep, 2023, ISSN 2813-2890
Publisher: Frontiers Media SA
DOI: 10.3389/frsle.2023.1127697

A Comparison of Signal Combinations for Deep Learning-Based Simultaneous Sleep Staging and Respiratory Event Detection

Author(s): Riku Huttunen, Timo Leppanen, Brett Duce, Erna S Arnardottir, Sami Nikkonen, Sami Myllymaa, Juha Toyras, Henri Korkalainen
Published in: IEEE Transactions on Biomedical Engineering, 2022, Page(s) 1-12, ISSN 2169-3536
Publisher: Institute of Electrical and Electronics Engineers Inc.
DOI: 10.1109/tbme.2022.3225268

Sufficient Stability Conditions for a Class of Switched Systems With Multiple Steady States

Author(s): Jacopo Piccini, Elias August, Sigurdur Hafstein, Stefania Andersen
Published in: IEEE Control Systems Letters, Issue 7, 2024, Page(s) 2653-2658, ISSN 2475-1456
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.1109/lcsys.2023.3288735

A comparative analysis of unsupervised machine‐learning methods in <scp>PSG</scp>‐related phenotyping

Author(s): Mohammadreza Ghorvei, Tuomas Karhu, Salla Hietakoste, Daniela Ferreira‐Santos, Harald Hrubos‐Strøm, Anna Sigridur Islind, Luka Biedebach, Sami Nikkonen, Timo Leppänen, Matias Rusanen
Published in: Journal of Sleep Research, Issue 2024 Oct 24:e14349, 2024, ISSN 0962-1105
Publisher: Blackwell Publishing Inc.
DOI: 10.1111/jsr.14349

Review and perspective on sleep-disordered breathing research and translation to clinics

Author(s): Henri Korkalainen, Samu Kainulainen, Anna Sigridur Islind, María Óskarsdóttir, Christian Strassberger, Sami Nikkonen, Juha Töyräs, Antti Kulkas, Ludger Grote, Jan Hedner, Reijo Sund, Harald Hrubos-Strom, Jose M. Saavedra, Kristín Anna Ólafsdóttir, Jón S. Ágústsson, Philip I. Terrill, Walter T. McNicholas, Erna Sif Arnardóttir, Timo Leppänen,
Published in: Sleep Medicine Reviews, 2023, ISSN 1087-0792
Publisher: W. B. Saunders Co., Ltd.
DOI: 10.1016/j.smrv.2023.101874.

Consumer sleep technology for the screening of obstructive sleep apnea and snoring: current status and a protocol for a systematic review and meta-analysis of diagnostic test accuracy

Author(s): Gabriel Natan Pires, Erna Sif Arnardóttir, Anna Sigridur Islind, Timo Leppänen, Walter T. McNicholas
Published in: Journal of Sleep Research, 2023, ISSN 0962-1105
Publisher: Blackwell Publishing Inc.
DOI: 10.1111/jsr.13819

Toward Sleep Study Automation: Detection Evaluation of Respiratory-Related Events

Author(s): Michal Borsky, Marta Serwatko, Erna S Arnardottir, Jacky Mallett
Published in: IEEE J Biomed Health Inform . 2022 Jul;26(7):3418-3426., Issue 21682194, 2022, ISSN 2168-2194
Publisher: Institute of Electrical and Electronics Engineers Inc.
DOI: 10.1109/jbhi.2022.3159727

Desaturation event scoring criteria affect the perceived severity ofnocturnal hypoxic load

Author(s): Tuomas Karhu, Timo Leppänen, Henri Korkalainen, Sami Myllymaa, Brett Duce, Juha Töyräs, Sami Nikkonen
Published in: Sleep medicine, Issue vol. 100, 2022, Page(s) 479-486, ISSN 1389-9457
Publisher: Elsevier BV
DOI: 10.1016/j.sleep.2022.09.024

Duration of respiratory events in obstructive sleep apnea: In search of paradoxical results

Two Sides of the Same Pillow: Unfolding the Relationship between Objective and Subjective Sleep Quality with Unsupervised Learning.

Author(s): Biedebach, L., Islind, A.S., Óskarsdóttir, M., Arnardóttir, E.S.
Published in: 2023
Publisher: International Conference of Information Systems (ICIS)

Towards a Deeper Understanding of Sleep Stages through their Representation in the Latent Space of Variational Autoencoders

Author(s): Biedebach L, Rusanen M, Þórðarson B. Þ, Arnardóttir ES, Óskarsdóttir M, Nikkonen S, Korkalainen H, Myllymaa S, Töyräs J, Kainulainen S, Leppänen T and Islind AS
Published in: Proceedings of the 56th Hawaii International Conference on System Sciences 2023 (HICSS), 2023
Publisher: HICSS

The impact of sleep architecture on visuospatial working memory in OSA

Author(s): Elena Richert, Erna S Arnardottir, Kamilla Johannsdottir
Published in: Nordic Sleep Conference 2023, 2023
Publisher: https://www.nordic-sleep.com/
DOI: 10.13140/rg.2.2.33963.41764

Designing and Developing Layered-Modular Architecture for Data-driven Health Platform

Author(s): Sveinbjarnarson, B.F., Islind, A.S., Arnardóttir, E.S.
Published in: 2023
Publisher: Italian Conference of Information Systems (itAIS)

Pharmacotherapeutic profile of sleep apnea patients

Author(s): Stefan Mihaicuta, Mihai Udrescu, Adrian Militaru, Alexandru Topirceanu, Lucretia Udrescu
Published in: Clinical and epidemiological respiratory sleep medicine, Issue Journal 2023 62(suppl 67), 2025, Page(s) PA3003
Publisher: European Respiratory Society
DOI: 10.1183/13993003.congress-2023.pa3003

Exploration of Sleep Events in the Latent Space of Variational Autoencoders on a Breath-by-Breath Basis.

Author(s): Holm, B., Islind, A.S., Arnardóttir, E.S., Óskarsdóttir, M.
Published in: 2023
Publisher: Proceedings of the 56th Hawaii International Conference on System Sciences

NUDGING WI NUDGING WITH DIGNI TH DIGNITY: A CRI Y: A CRITICAL EXAMIN TICAL EXAMINATION OF WHEN TION OF WHENAND HOW TO USE DIGITAL NUDGING

Author(s): Lisa Schmitz Elena Richert Marta K. Lárusdóttir Erna Sif Arnardottir Anna Sigríður Islind
Published in: 15th Scandinavian Conference on Information Systems, 2024
Publisher: IRIS (Information Systems Research in Scandinavia)

Application of the Schur Complement in Sum of Squares Optimisation

Author(s): Elias August, Sigurdur Hafstein, Jacopo Piccini, Stefania Andersen, Anna Bavarsad
Published in: Proceedings of the 21st International Conference on Informatics in Control, Automation and Robotics, 2024, Page(s) 424-431, ISBN 978-989-758-717-7
Publisher: SCITEPRESS - Science and Technology Publications
DOI: 10.5220/0013016200003822

Towards a Digital Sleep Diary Standard.

Author(s): Schmitz, L., Sveinbjarnarson, B. F., Gunnarsson, G. N., Davíðsson, Ó. A., Davíðsson, Þ. B., Arnardottir, E. S, Óskarsdóttir, M. & Islind, A. S.
Published in: Americas Conference on Information Systems (AMCIS), Minneapolis, USA, August 2022, 2022
Publisher: Americas Conference on Information Systems (AMCIS)

Worsening hypoxic load impairs cardiorespiratory coupling

Author(s): Salla Hietakoste, Pablo Armañac-Julián, Tuomas Karhu, Raquel Bailón, Saara Sillanmäki, Juha Töyräs, Timo Leppänen, Sami Myllymaa, Samu Kainulainen
Published in: 2024 13th Conference of the European Study Group on Cardiovascular Oscillations (ESGCO), 2024, Page(s) 1-2
Publisher: IEEE
DOI: 10.1109/esgco63003.2024.10767029

Lyapunov Function Computation for Linear Switched Systems: Comparison of SDP and LP Approaches

Author(s): Stefania Andersen, Elias August, Sigurdur Hafstein, Jacopo Piccini
Published in: Proceedings of the 13th International Conference on Simulation and Modeling Methodologies, Technologies and Applications, 2023, Page(s) 61-70, ISBN 978-989-758-668-2
Publisher: SCITEPRESS - Science and Technology Publications
DOI: 10.5220/0012084100003546

Numerical Computations of Lyapunov Functions for Switched Linear Systems

Author(s): Stefania Andersen, Elias August, Sigurdur Hafstein, Jacopo Piccini
Published in: Lecture Notes in Networks and Systems, Simulation and Modeling Methodologies, Technologies and Applications, 2024, Page(s) 192-213, ISBN 978-3-031-77603-8
Publisher: Springer Nature Switzerland
DOI: 10.1007/978-3-031-77603-8_10

Pulse Oximetry: The Working Principle, Signal Formation, and Applications

Author(s): T. Leppänen, S. Kainulainen, H. Korkalainen, S. Sillanmäki, A. Kulkas, J. Töyräs, S. Nikkonen
Published in: Advances in Experimental Medicine and Biology book series (AEMB,volume 1384), 2022, ISBN 978-3-031-06413-5
Publisher: Springer, Cham
DOI: 10.1007/978-3-031-06413-5_12

aSAGA: Automatic Sleep Analysis with Gray Areas

Author(s): Rusanen, Matias; Jouan, Gabriel; Huttunen, Riku; Nikkonen, Sami; Sigurðardóttir, Sigríður; Töyräs, Juha; Duce, Brett; Myllymaa, Sami; Arnardottir, Erna Sif; Leppänen, Timo; Islind, Anna Sigridur; Kainulainen, Samu; Korkalainen, Henri
Published in: Issue 15, 2023
Publisher: Cornell University
DOI: 10.48550/arxiv.2310.02032

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