PUBLICATIONS
Pulse Oximetry: The Working Principle, Signal Formation, and Applications
Published
11. October 2022 in Advances in Experimental Medicine and Biology
Authors
Timo Lepppänen, Samu Kainulainen, Henri Korkalainen, Saara Sillanmäki, Antti Kulkas, Juha Töyräs, Sami Nikkonen
Cite
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.
API: an Alternative View for Sleep Stability Analysis based on Automatic Detection of the A-Phases from the Cyclic Alternating Pattern
Published
13. September 2022 in Sleep
Authors
Cite
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.
Multi-Level Classification of Driver Drowsiness by Simultaneous Analysis of ECG and Respiration Signals Using Deep Neural Networks
Published
26 August 2022 in International Journal of Environmental Research and Public Health
Authors
Serajeddin Ebrahimian, Ali Nahvi, Masoumeh Tashakori, Hamed Salmanzadeh, Omid Mohseni and Timo Leppänen
Cite
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 health, 19(17), 10736.
Towards a Digital Sleep Diary Standard
Published
10. August 2022 in Proceeding of 28th Americas Conference on Information Systems (AMCIS)
Authors
Lisa Schmitz, Bjarki Freyr Sveinbjarnarson, Guðni Nathan Gunnarsson, Ólafur Andri Davíðsson, Þór Breki Davíðsson, Erna Sif Arnardóttir, María Óskarsdóttir and Anna Sigríður Íslind
Cite
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.
The Sleep Revolution: the concept and objectives
Published
30. June 2022 in Journal of Sleep Research
Authors
Erna S. Arnardottir, Anna Sigridur Islind, María Óskarsdóttir, Kristín A. Ólafsdóttir, Elias August, Lára Jónasdóttir, Harald Hrubos-Strøm, Jose M. Saavedra, Ludger Grote, Jan Hedner, Sveinbjörn Höskuldsson, Jón Skírnir Ágústsson, Kamilla Rún Jóhannsdóttir, Walter T. McNicholas, Dirk Pevernagie, Reijo Sund and Juha Töyräs
Cite
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 Research, 31(4), e13630.
Self-Applied Electrode Set Provides a Clinically Feasible Solution Enabling EEG Recording in Home Sleep Apnea Testing
Published
26. May 2022 in IEEE Access
Authors
Laura Kalevo, Tomi Miettinen, Akseli Leino, Susanna Westeren-Punnonen, Erna Sif Arnardottir, Johanna Sahlman, Esa Mervaala, Juha Töyräs, Timo Leppänen, Sami Myllymaa, Katja Myllymaa
Cite
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 Access, 10, 60633-60642.
Novel Oxygen Desaturation Parameters and Subclinical Myocardial Injury in Obstructive Sleep Apnea: Data from the Akershus Sleep Apnea Project
Published
24. May in BMC Pulmonary Medicine
Authors
Saara Sillanmäki, Jukka A. Lipponen, Henri Korkalainen, Antti Kulkas, Timo Leppänen, Juha Töyräs, Brett Duce, Aaron Suni, Samu Kainulainen
Cite
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 Medicine, 22(1), 1-10.
Towards Sleep Study Automation: Detection Evaluation of Respiratory-Related Events.
Published
16. March 2022 in IEEE Journal of Biomedical and Health Informatics
Authors
Michal Borsky, Marta Serwatko, Erna S. Arnardottir and Jacky Mallett
Cite
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 Informatics, 26(7), 3418-3426.
Machine Learning and Wearable Technology in Sleep Medicine
Published
2. March 2022 in Frontiers in Digital Health
Authors
Timo Leppänen, Carolina Varon, Massimiliano de Zambotti and Sami Myllymaa
Cite
Leppänen, T., Varon, C., de Zambotti, M., & Myllymaa, S. (2022). Machine Learning and Wearable Technology in Sleep Medicine. Frontiers in Digital Health, 4.
Deep learning enables accurate automatic sleep staging based on ambulatory forehead EEG
Published
25. February 2022 in IEEE Access
Authors
Akseli Leino, Henri Korkalainen, Laura Kalevo, Sami Nikkonen, Samu Kainulainen, Alexander Ryan, Brett Duce, Kirsi Sipilä, Jari Ahlberg, Johanna Sahlman, Tomi Miettinen, Susanna Westeren-Punnonen, Esa Mervaala, Juha Töyräs, Sami Myllymaa, Timo Leppänen, Katja Myllymaa
Cite
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 Access, 10, 26554-26566.
Importance of Getting Enough Sleep and Daily Activity Data to Assess Variability: Longitudinal Observational Study
Published
22. February 2022 in JMIR Formative Research
Authors
María Óskarsdóttir, Anna Sigríður Íslind, Elias August, Erna Sif Arnardóttir, François Patou, Anja M Maier
Cite
Óskarsdóttir M., Islind A., August E., Arnardóttir E., Patou F., Maier A. (2022). Importance of Getting Enough Sleep and Daily Activity Data to Assess Variability: Longitudinal Observational Study JMIR Form Res 2022;6(2):e31807
Technical Performance of Textile-Based Dry Forehead Electrodes Compared With Medical-Grade Overnight Home Sleep Recordings
Published
12. November 2021 in IEEE Access
Authors
Matias Rusanen, Samu Kainulainen, Henri Korkalainen, Timo Leppänen, Juha Töyräs, Erna Sif Arnardóttir, Sami Myllymaa
Cite
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 Access, 9, 157902-157915.
Objective Measures of Cognitive Performance in Sleep Disorder Research
Published
6. October 2021 in Sleep Medicine Clinics
Authors
Kamilla Rún Jóhannsdóttir, Dimitri Ferretti, Birta Sóley Árnadóttir and María Kristín Jónsdóttir
Cite
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-Book, 16(4), 575-593.
An In-Laboratory Comparison of FocusBand EEG Device and Textile Electrodes Against a Medical-Grade System and Wet Gel Electrodes
Published
15 September 2021 in IEEE Journal of Biomedical and Health Informatics
Authors
Matias Rusanen, Sami Myllymaa, Laura Kalevo, Katja Myllymaa, Juha Töyräs, Timo Leppänen and Samu Kainulainen
Cite
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 Access, 9, 132580-132591.
The Role of Patient-Reported Outcomes in Sleep Measurements
Published
11. September 2021 in Sleep Medicine Clinics
Authors
Dirk Pevernagie, Fré A. Bauters and Katrien Hertegonne
Cite
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.
Self-Applied Home Sleep Recordings:
The Future of Sleep Medicine
Published
8. September 2021 in Sleep Medicine Clinics
Authors
Henri Korkalainen, Sami Nikkonen, Samu Kainulainen, Amit Krishna Dwivedi, Sami Myllymaa, Timo Leppänen and Juha Töyräs
Cite
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.
The Future of Sleep Measurements:
A Review and Perspective
Published
6. July 2021 in Sleep Medicine Clinics
Authors
Erna Sif Arnardóttir, Anna Sigríður Íslind and María Óskarsdóttir
Cite
Arnardottir, E. S., Islind, A. S., & Óskarsdóttir, M. (2021). The Future of Sleep Measurements: A Review and Perspective. Sleep Medicine Clinics, 16(3), 447-464.
Future Treatment of Sleep Disorders: Syndromic Approach Versus Management of Treatable Traits?
Published
25. June 2021 in Sleep Medicine Clinics
Author
Dirk Pevernagie
Cite
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.