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Samu Kainulainen

Samu Kainulainen

Academy Research Fellow

Academy Research Fellow and Head of SmartSleep Lab

Department of Technical Physics, Faculty of Science, Forestry and Technology

[email protected]

Information Publications

Specialized in measurement and signal analytic techniques in translational research and sleep medicine.

Research groups

Sleep Technology and Analytics Research (STAR) Gr… 01.01.2017 -

Keywords

biophysics deep learning machine learning mathematical modelling mathematics medical physics physiological measurements signal analysis sleep medicine

Publications

52/52 items

Nocturnal short-term HRV reflects impaired daytime vigilance better than overnight HRV in suspected OSA patients
Hietakoste, Salla; Karhu, Tuomas; Lombardi, Carolina; Armañac-Julián, Pablo; Bailón, Raquel; Duce, Brett; Sillanmäki, Saara; Töyräs, Juha; Leppänen, Timo; Myllymaa, Sami; Kainulainen, Samu. 2025. Sleep. 48: A1 Journal article (refereed), original research
The interaction between comorbidities and sleep stages influences oxygen re‐saturation characteristics
Howarth, Timothy P; Hietakoste, Salla; Ebrahimian, Serajeddin; Rissanen, Marika; Kainulainen, Samu; Karhu, Tuomas. 2025. Journal of sleep research. [First published: 04 February 2025]: A1 Journal article (refereed), original research
Validation of manually scored multichannel frontal electroencephalography against polysomnography in a paediatric cohort
Sigurdardottir, Sigridur; Pitkänen, Henna; Korkalainen, Henri; Kainulainen, Samu; Serwatko, Marta; Olafsdottir, Kristin A; Sigurðardóttir, Sigurveig Þ; Clausen, Michael; Somaskandhan, Pranavan; Stražišar, Barbara G; Leppänen, Timo; Arnardottir, Erna Sif. 2025. Journal of sleep research. [First published: 13 February 2025]: A1 Journal article (refereed), original research
Arousal burden is highest in supine sleeping position and during light sleep
Pitkänen, Minna; Huovinen, Juho; Rissanen, Marika; Pitkänen, Henna; Kainulainen, Samu; Penzel, Thomas; Fanfulla, Francesco; Anttalainen, Ulla; Saaresranta, Tarja; Grote, Ludger; Hedner, Jan; Staats, Richard; Duce, Brett; Töyräs, Juha; Oksenberg, Arie; Leppänen, Timo. 2024. Journal of clinical sleep medicine. 2025; 21: 337-344 A1 Journal article (refereed), original research
Beat-to-beat cardiac repolarization lability increases during hypoxemia and arousals in obstructive sleep apnea patients
Ebrahimian, Serajeddin; Sillanmäki, Saara; Hietakoste, Salla; Kulkas, Antti; Töyräs, Juha; Bailón, Raquel; Hernando, David; Lombardi, Carolina; Grote, Ludger; Bonsignore, Maria R; Saaresranta, Tarja; Pépin, Jean-Louis; Leppänen, Timo; Kainulainen, Samu. 2024. American journal of physiology : heart and circulatory physiology. 326: H1094-H1104 A1 Journal article (refereed), original research
Flow Limitation Is Associated with Excessive Daytime Sleepiness in Individuals without Moderate or Severe Obstructive Sleep Apnea
Mann, Dwayne L; Staykov, Eric; Georgeson, Thomas; Azarbarzin, Ali; Kainulainen, Samu; Redline, Susan; Sands, Scott A; Terrill, Philip I. 2024. Annals of the American Thoracic Society. 21: 1186-1193 A1 Journal article (refereed), original research
Hypoxaemic load in sleep apnoea is associated with acute changes in T-wave amplitude
Sillanmäki, Saara; Ebrahimian, Serajeddin; Hietakoste, Salla; Hernando, David; Bailon, Raquel; Leppänen, Timo; Kainulainen, Samu. 2024. ERJ open research. 10: A1 Journal article (refereed), original research
Increased Flow Limitation During Sleep Is Associated With Increased Psychomotor Vigilance Task Lapses in Individuals With Suspected OSA
Staykov, Eric; Mann, Dwayne L.; Duce, Brett; Kainulainen, Samu; Leppänen, Timo; Töyräs, Juha; Azarbarzin, Ali; Georgeson, Thomas; Sands, Scott A.; Terrill, Philip I.. 2024. Chest. 165: 990-1003 A1 Journal article (refereed), original research
Increased flow limitation during sleep is associated with decreased psychomotor vigilance task performance in individuals with suspected obstructive sleep apnea: a multi-cohort study
Staykov, Eric; Mann, Dwayne L; Leppänen, Timo; Töyräs, Juha; Kainulainen, Samu; Azarbarzin, Ali; Duce, Brett; Sands, Scott A; Terrill, Philip I; The STAGES Cohort Investigator Group. 2024. Sleep. 47: A1 Journal article (refereed), original research
Nocturnal oxygen resaturation parameters are associated with cardiorespiratory comorbidities
Howarth, Timothy P; Sillanmäki, Saara; Karhu, Tuomas; Rissanen, Marika; Islind, Anna Sigridur; Hrubos-Strøm, Harald; de Chazal, Philip; Huovila, Juuso; Kainulainen, Samu; Leppänen, Timo. 2024. Sleep medicine. 118: 101-112 A1 Journal article (refereed), original research
Respiratory event index underestimates severity of sleep apnea compared to apnea-hypopnea index
Pitkänen, Minna; Nath, Rajdeep Kumar; Korkalainen, Henri; Nikkonen, Sami; Mahamid, Alaa; Oksenberg, Arie; Duce, Brett; Töyräs, Juha; Kainulainen, Samu; Leppänen, Timo. 2024. Sleep advances. 5: . zpad054 A1 Journal article (refereed), original research
Retrospective validation of automatic sleep analysis with grey areas model for human‐in‐the‐loop scoring approach
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. 2024. Journal of sleep research. [First published: 23 October 2024]: 1-13 A1 Journal article (refereed), original research
Sleep stage continuity is associated with objective daytime sleepiness in patients with suspected obstructive sleep apnea
Chen, Xin; Leppänen, Timo; Kainulainen, Samu; Howarth, Timothy P; Oksenberg, Arie; Töyräs, Juha; Terrill, Philip I; Korkalainen, Henri. 2024. Journal of clinical sleep medicine. 20: 1595-1606 A1 Journal article (refereed), original research
Temporal and sleep stage‐dependent agreement in manual scoring of respiratory events
Pitkänen, Minna; Pitkänen, Henna; Nath, Rajdeep Kumar; Nikkonen, Sami; Kainulainen, Samu; Korkalainen, Henri; Ólafsdóttir, Kristín Anna; Arnardottir, Erna Sif; Sigurdardottir, Sigridur; Penzel, Thomas; Fanfulla, Francesco; Anttalainen, Ulla; Saaresranta, Tarja; Grote, Ludger; Hedner, Jan; Staats, Richard; Töyräs, Juha; Leppänen, Timo. 2024. Journal of sleep research. [First published: 04 November 2024]: 1-10 A1 Journal article (refereed), original research
Variation in the Photoplethysmogram Response to Arousal From Sleep Depending on the Cause of Arousal and the Presence of Desaturation
Luukinen, Mieli; Pitkänen, Henna; Leppänen, Timo; Töyräs, Juha; Islind, Anna Sigridur; Kainulainen, Samu; Korkalainen, Henri. 2024. IEEE journal of translational engineering in health and medicine. 12: 328-339 A1 Journal article (refereed), original research
Acute cardiorespiratory coupling impairment in worsening sleep apnea-related intermittent hypoxemia
Hietakoste, Salla; Armanac-Julian, Pablo; Karhu, Tuomas; Bailon, Raquel; Sillanmäki, Saara; Töyräs, Juha; Leppänen, Timo; Myllymaa, Sami; Kainulainen, Samu. 2023. IEEE transactions on biomedical engineering. 2024; 71: 326-333 A1 Journal article (refereed), original research
Characterization of Cardiopulmonary Coupling in Pediatric Patients with Obstructive Sleep Apnea
Armanac-Julian, Pablo; Martin-Montero, Adrian; Hietakoste, Salla; Lazaro, Jesus; Kainulainen, Samu; Gozal, David; Hornero, Roberto; Laguna, Pablo; Gutierrez-Tobal, Gonzalo; Gil, Eduardo; Bailon, Raquel. Teoksessa: (toim.) , 2023. 2023 Computing in Cardiology (CinC). s. 1-4. IEEE A4 Conference proceedings
Generalizable Deep Learning-based Sleep Staging Approach for Ambulatory Textile Electrode Headband Recordings
Rusanen, Matias; Huttunen, Riku; Korkalainen, Henri; Myllymaa, Sami; Toyras, Juha; Myllymaa, Katja; Sigurdardottir, Sigridur; Olafsdottir, Kristin Anna; Leppanen, Timo; Arnardottir, Erna Sif; Kainulainen, Samu. 2023. IEEE journal of biomedical and health informatics. 27: 1869-1880 A1 Journal article (refereed), original research
Morbid obesity influences the nocturnal electrocardiogram wave and interval durations among suspected sleep apnea patients
Kainulainen, Samu; Suni, Aaron; Lipponen, Jukka A; Kulkas, Antti; Duce, Brett; Korkalainen, Henri; Nikkonen, Sami; Sillanmäki, Saara. 2023. Annals of noninvasive electrocardiology. 2024; 29: A1 Journal article (refereed), original research
Multicentre sleep-stage scoring agreement in the Sleep Revolution project
Nikkonen, Sami; Somaskandhan, Pranavan; Korkalainen, Henri; Kainulainen, Samu; Terrill, Philip I; Gretarsdottir, Heidur; Sigurdardottir, Sigridur; Olafsdottir, Kristin Anna; Islind, Anna Sigridur; oskarsdottir, Maria; Arnardottir, Erna Sif; Leppänen, Timo. 2023. Journal of sleep research. 2024; 33: A1 Journal article (refereed), original research
Nasal Pressure Derived Airflow Limitation and Ventilation Measurements are Resilient to Reduced Signal Quality
Staykov, Eric; Mann, Dwayne L; Kainulainen, Samu; Duce, Brett; Leppänen, Timo; Töyräs, Juha; Sands, Scott A; Terrill, Philip I. Teoksessa: (toim.) , 2023. 2023 45th Annual International Conference of the IEEE Engineering in Medicine & Biology Conference (EMBC): Proceedings. s. 4 pp.. IEEE A4 Conference proceedings
Obstructive Sleep Apnea Patients With Atrial Arrhythmias Suffer From Prolonged Recovery From Desaturations
Rissanen, Marika; Korkalainen, Henri; Duce, Brett; Sillanmaki, Saara; Pitkanen, Henna; Suni, Aaron; Nikkonen, Sami; Kulkas, Antti; Toyras, Juha; Leppanen, Timo; Kainulainen, Samu. 2023. IEEE transactions on biomedical engineering. 70: 2122-2130 A1 Journal article (refereed), original research
Oxygen resaturation rate is significantly associated with objectively assessed excessive daytime sleepiness in suspected obstructive sleep apnoea patients
Howarth, Timothy P.; Karhu, Tuomas; Kainulainen, Samu; Chen, Xin; Mahamid, Alaa; Töyräs, Juha; Leppänen, Timo. 2023. Sleep medicine. 107: 171-178 A1 Journal article (refereed), original research
Review and perspective on sleep-disordered breathing research and translation to clinics
Korkalainen, Henri; Kainulainen, Samu; Islind, Anna Sigridur; Óskarsdóttir, María; Strassberger, Christian; Nikkonen, Sami; Töyräs, Juha; Kulkas, Antti; Grote, Ludger; Hedner, Jan; Sund, Reijo; Hrubos-Strom, Harald; Saavedra, Jose M.; Ólafsdóttir, Kristín Anna; Ágústsson, Jón S.; Terrill, Philip I.; McNicholas, Walter T.; Arnardóttir, Erna Sif; Leppänen, Timo. 2023. Sleep medicine reviews. 2024; 73: A2 Review article, Literature review, Systematic review
Self‐applied somnography: technical feasibility of electroencephalography and electro‐oculography signal characteristics in sleep staging of suspected sleep‐disordered adults
Rusanen, Matias; Korkalainen, Henri; Gretarsdottir, Heidur; Siilak, Tiina; Olafsdottir, Kristin Anna; Töyräs, Juha; Myllymaa, Sami; Arnardottir, Erna Sif; Leppänen, Timo; Kainulainen, Samu. 2023. Journal of sleep research. 2024; 33: . e13977 A1 Journal article (refereed), original research
Towards a Deeper Understanding of Sleep Stages through their Representation in the Latent Space of Variational Autoencoders
Biedebach, Luka; Rusanen, Matias; Pórðarson, Benedikt Hólm; Arnardóttir, Erna Sif; Óskarsdóttir, María; Nikkonen, Sami; Korkalainen, Henri; Myllymaa, Sami; Töyräs, Juha; Kainulainen, Samu; Leppänen, Timo; Islind, Anna Sigridur. Teoksessa: Bui, Tung(toim.) , 2023. Proceedings of the 56th Annual Hawaii International Conference on System Sciences. s. 3111-3120. Hawaii International Conference on System Sciences A4 Conference proceedings
Deep Learning Enables Accurate Automatic Sleep Staging Based on Ambulatory Forehead EEG
Leino, Akseli; Korkalainen, Henri; Kalevo, Laura; Nikkonen, Sami; Kainulainen, Samu; Ryan, Alexander; Duce, Brett; Sipila, Kirsi; Ahlberg, Jari; Sahlman, Johanna; Miettinen, Tomi; Westeren-Punnonen, Susanna; Mervaala, Esa; Toyras, Juha; Myllymaa, Sami; Leppanen, Timo; Myllymaa, Katja. 2022. IEEE access. 10: 26554-26566 A1 Journal article (refereed), original research
Gamma Power of Electroencephalogram Arousal is Modulated by Respiratory Event Type and Severity in Obstructive Sleep Apnea
Pitkanen, Henna; Duce, Brett; Leppänen, Timo; Kainulainen, Samu; Kulkas, Antti; Myllymaa, Sami; Töyräs, Juha; Korkalainen, Henri. 2022. IEEE transactions on biomedical engineering. 69: 1417-1423 A1 Journal article (refereed), original research
Inter-sleep stage variations in corrected QT interval differ between obstructive sleep apnea patients with and without stroke history
Ebrahimian, Serajeddin; Sillanmäki, Saara; Hietakoste, Salla; Duce, Brett; Kulkas, Antti; Töyräs, Juha; Leppänen, Timo; Lipponen, Jukka A.; Kainulainen, Samu. 2022. PLoS ONE. 17: A1 Journal article (refereed), original research
Novel oxygen desaturation parameters are associated with cardiac troponin I: Data from the Akershus Sleep Apnea Project
Sigurdardottir, Fjola D.; Øverby, Caroline Tonje; Nikkonen, Sami; Karhu, Tuomas; Dammen, Toril; Nordhus, Inger Hilde; Thorshov, Thea; Einvik, Gunnar; Kainulainen, Samu; Leppänen, Timo; Arnardottir, Erna Sif; Töyräs, Juha; Omland, Torbjørn; Hrubos‐Strøm, Harald. 2022. Journal of sleep research. 31: . e13581 A1 Journal article (refereed), original research
OSA-related respiratory events and desaturation severity are associated with the cardiac response
Hietakoste, Salla; Karhu, Tuomas; Sillanmäki, Saara; Bailón, Raquel; Penzel, Thomas; Töyräs, Juha; Leppänen, Timo; Myllymaa, Sami; Kainulainen, Samu. 2022. ERJ open research. 8: A1 Journal article (refereed), original research
Pulse Oximetry: The Working Principle, Signal Formation, and Applications
Leppänen, Timo; Kainulainen, Samu; Korkalainen, Henri; Sillanmäki, Saara; Kulkas, Antti; Töyräs, Juha; Nikkonen, Sami. Teoksessa: Penzel, T; Hornero, R(toim.) , 2022. Advances in the Diagnosis and Treatment of Sleep Apnea. s. 205-218. Springer A3 Book section, Chapters in research books
QTc prolongation is associated with severe desaturations in stroke patients with sleep apnea
Sillanmäki, Saara; Lipponen, Jukka A; Korkalainen, Henri; Kulkas, Antti; Leppänen, Timo; Nikkonen, Sami; Töyräs, Juha; Duce, Brett; Suni, Aaron; Kainulainen, Samu. 2022. Bmc pulmonary medicine. 22: . 204 A1 Journal article (refereed), original research
An In-Laboratory Comparison of FocusBand EEG Device and Textile Electrodes Against a Medical-Grade System and Wet Gel Electrodes
Rusanen, Matias; Myllymaa, Sami; Kalevo, Laura; Myllymaa, Katja; Töyräs, Juha; Leppanen, Timo; Kainulainen, Samu. 2021. IEEE access. 9: 132580-132591 A1 Journal article (refereed), original research
Auttaako teknologia uniongelmiin?
Kainulainen, S; Töyräs, J; Leppänen, T. 2021. Tekniikan maailma. : 68-72 E1 Popularised article, newspaper article
Comparison of EEG Signal Characteristics Between Polysomnography and Self Applied Somnography Setup in a Pediatric Cohort
Kainulainen, Samu; Korkalainen, Henri; Sigurdardottir, Sigriur; Myllymaa, Sami; Serwatko, Marta; Sigurdardottir, Sigurveig Pora; Clausen, Michael; Leppänen, Timo; Arnardottir, Erna Sif. 2021. IEEE access. 9: 110916-110926 A1 Journal article (refereed), original research
Detailed assessment of sleep architecture with deep learning and shorter epoch-to-epoch duration reveals sleep fragmentation of patients with obstructive sleep apnea
Korkalainen, Henri; Leppänen, Timo; Duce, Brett; Kainulainen, Samu; Aakko, Juhani; Leino, Akseli; Kalevo, Laura; Afara, Isaac O; Myllymaa, Sami; Töyräs, Juha. 2021. IEEE journal of biomedical and health informatics. 25: 2567-2574 A1 Journal article (refereed), original research
Neural network analysis of nocturnal SpO2 signal enables easy screening of sleep apnea in patients with acute cerebrovascular disease
Leino, Akseli; Nikkonen, Sami; Kainulainen, Samu; Korkalainen, Henri; Töyräs, Juha; Myllymaa, Sami; Leppänen, Timo; Ylä-Herttuala, Salla; Westeren-Punnonen, Susanna; Muraja-Murro, Anu; Jäkälä, Pekka; Mervaala, Esa; Myllymaa, Katja. 2021. Sleep medicine. 79: 71-78 A1 Journal article (refereed), original research
Self-Applied Home Sleep Recordings: The Future of Sleep Medicine
Korkalainen, Henri; Nikkonen, Sami; Kainulainen, Samu; Dwivedi, Amit Krishna; Myllymaa, Sami; Leppänen, Timo; Töyräs, Juha. 2021. Sleep medicine clinics. 16: 545-556 A2 Review article, Literature review, Systematic review
Technical Performance of Textile-Based Dry Forehead Electrodes Compared With Medical-Grade Overnight Home Sleep Recordings
Rusanen, Matias; Kainulainen, Samu; Korkalainen, Henri; Kalevo, Laura; Myllymaa, Katja; Leppanen, Timo; Toyras, Juha; Arnardottir, Erna Sif; Myllymaa, Sami. 2021. IEEE access. 9: 157902 - 157915 A1 Journal article (refereed), original research
Uniapnea on kallis kansantauti, joka havaitaan usein liian myöhään - diagnostiikkaa tulee kehittää ja tekoälyllä on tässä merkittävä rooli
Kainulainen, Samu; Hietakoste, Salla. 2021. MustRead. : - E1 Popularised article, newspaper article
Deep learning enables sleep staging from photoplethysmogram for patients with suspected sleep apnea
Korkalainen, H; Aakko, J; Duce, B; Kainulainen, S; Leino, A; Nikkonen, S; Afara, I O; Myllymaa, S; Töyräs, J; Leppänen, T. 2020. Sleep. 43: zsaa098 A1 Journal article (refereed), original research
Effect of sweating on electrode-skin contact impedances and artifacts in EEG recordings with various screen-printed Ag/Agcl electrodes
Kalevo, Laura; Miettinen, Tomi; Leino, Akseli; Kainulainen, Samu; Korkalainen, Henri; Myllymaa, Katja; Töyräs, Juha; Leppänen, Timo; Laitinen, Tiina; Myllymaa, Sami. 2020. IEEE access. 8: 50934-50943 A1 Journal article (refereed), original research
Estimating daytime sleepiness with previous night EEG, EOG and EMG spectrograms in patients with suspected sleep apnea using a convolutional neural network
Nikkonen, Sami; Korkalainen, Henri; Kainulainen, Samu; Myllymaa, Sami; Leino, Akseli; Kalevo, Laura; Oksenberg, Arie; Leppänen, Timo; Töyräs, Juha. 2020. Sleep. 43: zsaa106 A1 Journal article (refereed), original research
Increased nocturnal arterial pulsation frequencies of obstructive sleep apnoea patients is associated with an increased number of lapses in a psychomotor vigilance task
Kainulainen, Samu; Duce, Brett; Korkalainen, Henri; Leino, Akseli; Huttunen, Riku; Kalevo, Laura; Arnardottir, Erna S; Kulkas, Antti; Myllymaa, Sami; Töyräs, Juha; Leppänen, Timo. 2020. ERJ open research. 6: 00277-202 A1 Journal article (refereed), original research
Longer apneas and hypopneas are associated with greater ultra-short-term HRV in obstructive sleep apnea
Hietakoste, Salla; Korkalainen, Henri; Kainulainen, Samu; Sillanmäki, Saara; Nikkonen, Sami; Myllymaa, Sami; Duce, Brett; Töyräs, Juha; Leppänen, Timo. 2020. Scientific reports. 10: 21556 A1 Journal article (refereed), original research
Power spectral densities of nocturnal pulse oximetry signals differ in OSA patients with and without daytime sleepiness
Kainulainen, Samu; Töyräs, Juha; Oksenberg, Arie; Korkalainen, Henri; Afara, Isaac O; Leino, Akseli; Kalevo, Laura; Nikkonen, Sami; Gadoth, Natan; Kulkas, Antti; Myllymaa, Sami; Leppänen, Timo. 2020. Sleep medicine. 73: 231-237 A1 Journal article (refereed), original research
Pulse oximetry-derived biomarkers for severity assessment of obstructive sleep apnea - Associating parametric and frequency-domain features of SpO2 and PPG signals with daytime sleepiness and impaired vigilance
Kainulainen, Samu. 2020. Publications of the University of Eastern Finland. Dissertations in Forestry and Natural Sciences G5 Doctoral dissertation (article)
Severe Desaturations Increase PVT-based Median Reaction Time and Number of Lapses in OSA Patients
Kainulainen, S; Duce, B; Korkalainen, H; Oksenberg, A; Leino, A; Arnardottir, E; Kulkas, A; Myllymaa, S; Töyräs, J; Leppänen, T. 2020. European respiratory journal. 55: 1901849 A1 Journal article (refereed), original research
Accurate Deep Learning-Based Sleep Staging in a Clinical Population with Suspected Obstructive Sleep Apnea
Korkalainen, Henri; Aakko, Juhani; Nikkonen, Sami; Kainulainen, Samu; Leino, Akseli; Duce, Brett; Afara, Isaac Oluwaseun; Myllymaa, Sami; Töyräs, Juha; Leppänen, Timo. 2019. IEEE journal of biomedical and health informatics. 24: 2073-2081 A1 Journal article (refereed), original research
Improved Sweat Artifact Tolerance of Screen-Printed EEG Electrodes by Material Selection-Comparison of Electrochemical Properties in Artificial Sweat
Kalevo, Laura; Miettinen, Tomi; Leino, Akseli; Kainulainen, Samu; Myllymaa, Katja; Toyras, Juha; Leppanen, Timo; Myllymaa, Sami. 2019. IEEE access. 7: 133237-133247 A1 Journal article (refereed), original research
Severity of desaturations reflects OSA-related daytime sleepiness better than AHI
Kainulainen, S; Töyräs, J; Oksenberg, A; Korkalainen, H; Sefa, S; Kulkas, A; Leppänen, T. 2019. Journal of clinical sleep medicine. 15: 1135-1142 A1 Journal article (refereed), original research

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Samu Kainulainen

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Keywords

Nocturnal short-term HRV reflects impaired daytime vigilance better than overnight HRV in suspected OSA patients

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

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

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

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

Flow Limitation Is Associated with Excessive Daytime Sleepiness in Individuals without Moderate or Severe Obstructive Sleep Apnea

Hypoxaemic load in sleep apnoea is associated with acute changes in T-wave amplitude

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

Increased flow limitation during sleep is associated with decreased psychomotor vigilance task performance in individuals with suspected obstructive sleep apnea: a multi-cohort study

Nocturnal oxygen resaturation parameters are associated with cardiorespiratory comorbidities

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

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

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

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

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

Acute cardiorespiratory coupling impairment in worsening sleep apnea-related intermittent hypoxemia

Characterization of Cardiopulmonary Coupling in Pediatric Patients with Obstructive Sleep Apnea

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

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

Multicentre sleep-stage scoring agreement in the Sleep Revolution project

Nasal Pressure Derived Airflow Limitation and Ventilation Measurements are Resilient to Reduced Signal Quality

Obstructive Sleep Apnea Patients With Atrial Arrhythmias Suffer From Prolonged Recovery From Desaturations

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

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

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

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

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

Gamma Power of Electroencephalogram Arousal is Modulated by Respiratory Event Type and Severity in Obstructive Sleep Apnea

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

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

OSA-related respiratory events and desaturation severity are associated with the cardiac response

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

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

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

Auttaako teknologia uniongelmiin?

Comparison of EEG Signal Characteristics Between Polysomnography and Self Applied Somnography Setup in a Pediatric Cohort

Detailed assessment of sleep architecture with deep learning and shorter epoch-to-epoch duration reveals sleep fragmentation of patients with obstructive sleep apnea

Neural network analysis of nocturnal SpO2 signal enables easy screening of sleep apnea in patients with acute cerebrovascular disease

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

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

Uniapnea on kallis kansantauti, joka havaitaan usein liian myöhään - diagnostiikkaa tulee kehittää ja tekoälyllä on tässä merkittävä rooli

Deep learning enables sleep staging from photoplethysmogram for patients with suspected sleep apnea

Effect of sweating on electrode-skin contact impedances and artifacts in EEG recordings with various screen-printed Ag/Agcl electrodes

Estimating daytime sleepiness with previous night EEG, EOG and EMG spectrograms in patients with suspected sleep apnea using a convolutional neural network

Increased nocturnal arterial pulsation frequencies of obstructive sleep apnoea patients is associated with an increased number of lapses in a psychomotor vigilance task

Longer apneas and hypopneas are associated with greater ultra-short-term HRV in obstructive sleep apnea

Power spectral densities of nocturnal pulse oximetry signals differ in OSA patients with and without daytime sleepiness

Pulse oximetry-derived biomarkers for severity assessment of obstructive sleep apnea - Associating parametric and frequency-domain features of SpO2 and PPG signals with daytime sleepiness and impaired vigilance

Severe Desaturations Increase PVT-based Median Reaction Time and Number of Lapses in OSA Patients

Accurate Deep Learning-Based Sleep Staging in a Clinical Population with Suspected Obstructive Sleep Apnea

Improved Sweat Artifact Tolerance of Screen-Printed EEG Electrodes by Material Selection-Comparison of Electrochemical Properties in Artificial Sweat

Severity of desaturations reflects OSA-related daytime sleepiness better than AHI