PUBLICATIONS

2024

Fridgeirsdottir, K. Y., Ólafsdóttir, K. A., Islind, A. S., Leppänen, T., Arnardottir, E. S., & Saavedra, J. M. (2024). The role of physical activity on obstructive sleep apnea severity and hypoxic load, and the mismatch between subjective and objective physical activity assessments. Journal of Sleep Research, e14195.

Link to publication

Pires, G. N., Arnardóttir, E. S., Bailly, S., & McNicholas, W. T. (2024). Guidelines for the development, performance evaluation and validation of new sleep technologies (DEVSleepTech guidelines)–a protocol for a Delphi consensus study. Journal of Sleep Research, e14163.

Link to publication

2023

Biedebach, L., Óskarsdóttir, M., Arnardóttir, E.S., Sigurdardóttir, S., Clausen, M. V., Sigurdardóttir, S. Þ., Serwatko, M. & Islind, A.S. (2023) Anomaly detection in sleep: detecting mouth breathing in children. Data Mining and Knowledge Discovery.

Link to publication

Biedebach, L., Óskarsdóttir, M., Arnardottir, E.S., & Islind, A.S. (2023) Two Sides of the Same Pillow: Unfolding the Relationship between Objective and Subjective Sleep Quality with Unsupervised Learning. ICIS 2023 Proceedings. 20.

Link to publication

Biedebach, L., Rusanen, M., Þórðarson, B., Arnadóttir, E. S., Óskarsdóttir, M., Nikkonen, S., … & Islind, A. S. (2023). Towards a Deeper Understanding of Sleep Stages through their Representation in the Latent Space of Variational Autoencoders. 56th Hawaii International Conference on System Sciences, 3111-3121

Link to publication

McNicholas, W. T., Arnardottir, E. S., Leppänen, T., Schiza, S., & Randerath, W. (2023). CPAP therapy for obstructive sleep apnoea: persisting challenges in outcome assessment. European Respiratory Journal, 62(1).

Link to publication

McNicholas, W.T. & Korkalainen, H. (2023). Translation of obstructive sleep apnea pathophysiology and phenotypes to personalized treatment: a narrative review. Frontiers in Neurology 14:1239016.

Link to publication

Piccini, J., August, E., Hafstein S. Andersen S. (2023). Sufficient Stability Conditions for a Class of Switched Systems with Multiple Steady States. IEEE Control Systems Letter. 

Link to publication

Piccini, J., August, E., Óskarsdóttir, M., Arnardóttir, E.S. (2023). Using the Electrodermal Activity Signal and Machine Learning for Diagnosing Sleep . Frontiers in Sleep, 2:1127697.

Link to publication

Pires, G. N., Arnardóttir, E. S., Islind, A. S., Leppänen, T., & McNicholas, W. T. (2023). 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. Journal of Sleep Research, e13819.

Link to publication

Rusanen, M., Huttunen, R., Korkalainen, H., Myllymaa, S., Töyräs, J., Myllymaa, K., … & Kainulainen, S. (2023). Generalizable Deep Learning-based Sleep Staging Approach for Ambulatory Textile Electrode Headband Recordings. IEEE Journal of Biomedical and Health Informatics.

Link to publication

Sturludóttir, J.E., Sigurðardóttir, S., Serwatko, M., Arnardóttir, E.S., Hrubos-Strøm, H., Clausen, M.V., Sigurðardóttir, S., Óskarsdóttir, M. and Islind, A.S., Deep learning for sleep analysis on children with sleep-disordered breathing: Automatic detection of mouth breathing events. Frontiers in Sleep, 2, p.3.

Link to publication

Sveinbjarnarson, B. F., Schmitz, L., Arnardottir, E. S. & Islind, A. S. (2023). The Sleep Revolution Platform: a Dynamic Data Source Pipeline and Digital Platform Architecture for Complex Sleep Data. Current Sleep Medicine Reports. 1-10. 

Link to publication

Þórðarson, B., Islind, A. S., Arnadóttir, E. S.,   & Óskarsdóttir, M. (2023).Exploration of Sleep Events in the Latent Space of Variational Autoencoders on a Breath-by-Breath Basis. 56th Hawaii International Conference on System Sciences, 3091-3101

Link to publication

2022

Arnardottir, E. S., Islind, A. S., Óskarsdóttir, M., Ólafsdóttir, K. A., August, E., Jónasdóttir, L., … & Sleep Revolution. (2022). The Sleep Revolution project: the concept and objectives. Journal of Sleep Research31(4), e13630. 

Link to publication

Borsky, M., Serwatko, M., Arnardottir, E. S., & Mallett, J. (2022). Toward Sleep Study Automation: Detection Evaluation of Respiratory-Related Events. IEEE Journal of Biomedical and Health Informatics26(7), 3418-3426.

Link to publication

Ebrahimian, S., Nahvi, A., Tashakori, M., Salmanzadeh, H., Mohseni, O., & Leppänen, T. (2022). Multi-Level Classification of Driver Drowsiness by Simultaneous Analysis of ECG and Respiration Signals Using Deep Neural Networks. International journal of environmental research and public health19(17), 10736.

Link to publication

Ebrahimian, S., Sillanmäki, S., Hietakoste, S., Duce, B., Kulkas, A., Töyräs, J., … & Kainulainen, S. (2022). Inter-sleep stage variations in corrected QT interval differ between obstructive sleep apnea patients with and without stroke history. Plos one17(12). 

Link to publication

Hietakoste, S., Karhu, T., Sillanmäki, S., Bailón, R., Penzel, T., Töyräs, J., … & Kainulainen, S. (2022). Obstructive sleep apnoea-related respiratory events and desaturation severity are associated with the cardiac response. ERJ Open Research8(4). 

Link to publication

Huttunen, R., Leppänen, T., Duce, B., Arnardottir, E. S., Nikkonen, S., Myllymaa, S., … & Korkalainen, H. (2022). A Comparison of Signal Combinations for Deep Learning-Based Simultaneous Sleep Staging and Respiratory Event Detection. IEEE Transactions on Biomedical Engineering.

Link to publication

Kalevo, L., Miettinen, T., Leino, A., Westeren-Punnonen, S., Sahlman, J., Mervaala, E., … & Myllymaa, K. (2022). Self-Applied Electrode Set Provides a Clinically Feasible Solution Enabling EEG Recording in Home Sleep Apnea Testing. IEEE Access10, 60633-60642.

Link to publication

Karhu, T., Leppänen, T., Korkalainen, H., Myllymaa, S., Duce, B., Töyräs, J., & Nikkonen, S. (2022). Desaturation event scoring criteria affect the perceived severity of nocturnal hypoxic load. Sleep Medicine100, 479-486. 

Link to publication

Karhu, T., Leppänen, T., Töyräs, J., Oksenberg, A., Myllymaa, S., & Nikkonen, S. (2022). ABOSA–Freely available automatic blood oxygen saturation signal analysis software: Structure and validation. Computer Methods and Programs in Biomedicine, 226, 107120.

Link to publication

Leino, A., Korkalainen, H., Kalevo, L., Nikkonen, S., Kainulainen, S., Ryan, A., … & Myllymaa, K. (2022). Deep learning enables accurate automatic sleep staging based on ambulatory forehead EEG. IEEE Access10, 26554-26566.

Link to publication

Leppänen, T., Kainulainen, S., Korkalainen, H., Sillanmäki, S., Kulkas, A., Töyräs, J., & Nikkonen, S. (2022). Pulse Oximetry: The Working Principle, Signal Formation, and Applications. In Advances in the Diagnosis and Treatment of Sleep Apnea (pp. 205-218). Springer, Cham. 

Link to publication

Leppänen, T., Varon, C., de Zambotti, M., & Myllymaa, S. (2022). Machine Learning and Wearable Technology in Sleep Medicine. Frontiers in Digital Health4.

Link to publication

Mendonça, F., Mostafa, S. S., Gupta, A., Arnardottir, E. S., Leppänen, T., Morgado-Dias, F., & Ravelo-García, A. G. (2022). A-phase index: an alternative view for sleep stability analysis based on automatic detection of the A-phases from the cyclic alternating pattern. Sleep

Link to publication

Nikkonen, S., Korkalainen, H., Töyräs, J., & Leppänen, T. (2022). STAR sleep recording export software for automatic export and anonymization of sleep studies. Scientific Reports, 12(1), 1-7.

Link to publication

Oksenberg, A., & Leppänen, T. (2022). Duration of respiratory events in obstructive sleep apnea: Factors influencing the duration of respiratory events. Sleep Medicine Reviews, 101729.

Link to publication

Oksenberg, A., & Leppänen, T. (2022). Duration of respiratory events in obstructive sleep apnea: In search of paradoxical results. Sleep Medicine Reviews, 101728.

Link to publication

Pahari, P., Korkalainen, H., Karhu, T., Rissanen, M., Arnardottir, E. S., Hrubos‐Strøm, H., … & Nikkonen, S. (2022). Obstructive sleep apnea‐related intermittent hypoxaemia is associated with impaired vigilance. Journal of Sleep Research. 

Link to publication

Schmitz, L., Sveinbjarnarson, B. F., Gunnarsson, G. N, Davíðsson, Ó. A., Davíðsson, Þ. B., Arnardóttir, E. S., Óskarsdóttir, M. & Islind, A. S. (2022). Towards a Digital Sleep Diary Standard. In proceeding of 28th Americas Conference on Information Systems (AMCIS). Minneapolis, USA.

Link to publication

Sigurdardottir, F. D., Øverby, C. T., Nikkonen, S., Karhu, T., Dammen, T., Nordhus, I. H., … & Hrubos‐Strøm, H. (2022). Novel oxygen desaturation parameters are associated with cardiac troponin I: Data from the Akershus Sleep Apnea Project. Journal of Sleep Research, e13581.

Link to publication

Sillanmäki, S., Lipponen, J. A., Korkalainen, H., Kulkas, A., Leppänen, T., Nikkonen, S., … & Kainulainen, S. (2022). QTc prolongation is associated with severe desaturations in stroke patients with sleep apnea. BMC Pulmonary Medicine22(1), 1-10.

Link to publication

2021

Arnardottir, E. S., Islind, A. S., & Óskarsdóttir, M. (2021). The Future of Sleep Measurements: A Review and Perspective. Sleep Medicine Clinics16(3), 447-464.

Link to publication

Arnardottir, E. S., Korkalainen, H., Nikkonen, S., Kainulainen, S., Dwivedi, A. K., Myllymaa, S., … & Töyräs, J. (2021). Preface: Improving Sleep Measurements for the Future xiii.

Link to publication

Jóhannsdóttir, K. R., Ferretti, D., Árnadóttir, B. S., & Jónsdóttir, M. K. (2021). Objective Measures of Cognitive Performance in Sleep Disorder Research. Measuring Sleep, An Issue of Sleep Medicine Clinics, E-Book16(4), 575-593.

Link to publication

Korkalainen, H., Nikkonen, S., Kainulainen, S., Dwivedi, A. K., Myllymaa, S., Leppänen, T., & Töyräs, J. (2021). Self-Applied Home Sleep Recordings: The Future of Sleep Medicine. Sleep Medicine Clinics, 16(4), 545-556.

Link to publication

Leppänen, T., Myllymaa, S., Kulkas, A., & Töyräs, J. (2021). Beyond the apnea–hypopnea index: alternative diagnostic parameters and machine learning solutions for estimation of sleep apnea severity. Sleep, 44(9).

Link to publication

Pevernagie, D., Bauters, F. A., Hertegonne K. (2021). The Role of Patient-Reported Outcomes in Sleep Measurements. Sleep Medicine Clinics, Volume 16, Issue 4, Pages 595-606.

Link to publication

Pevernagie, D. (2021). Future Treatment of Sleep Disorders: Syndromic Approach Versus Management of Treatable Traits? Sleep Medicine Clinics, Volume 16,  Issue 3, Pages 465-473.

Link to publication

Pitkänen, H., Duce, B., Leppänen, T., Kainulainen, S., Kulkas, A., Myllymaa, S., … & Korkalainen, H. (2021). Gamma power of electroencephalogram arousal is modulated by respiratory event type and severity in obstructive sleep apnea. IEEE Transactions on Biomedical Engineering69(4), 1417-1423.

Link to publication

Rusanen, M., Kainulainen, S., Korkalainen, H., Kalevo, L., Myllymaa, K., Leppänen, T., … & Myllymaa, S. (2021). Technical Performance of Textile-Based Dry Forehead Electrodes Compared With Medical-Grade Overnight Home Sleep Recordings. IEEE Access9, 157902-157915.

Link to publication

Rusanen, M., Myllymaa, S., Kalevo, L., Myllymaa, K., Töyräs, J., Leppänen, T., & Kainulainen, S. (2021). An in-laboratory comparison of FocusBand EEG device and textile electrodes against a medical-grade system and wet gel electrodes. IEEE Access9, 132580-132591.

Link to publication