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Estimation of Sleep Stages Analyzing Respiratory and Movement Signals

  • The scoring of sleep stages is an essential part of sleep studies. The main objective of this research is to provide an algorithm for the automatic classification of sleep stages using signals that may be obtained in a non-obtrusive way. After reviewing the relevant research, the authors selected a multinomial logistic regression as the basis for their approach. Several parameters were derived from movement and breathing signals, and their combinations were investigated to develop an accurate and stable algorithm. The algorithm was implemented to produce successful results: the accuracy of the recognition of Wake/NREM/REM stages is equal to 73%, with Cohen's kappa of 0.44 for the analyzed 19324 sleep epochs of 30 seconds each. This approach has the advantage of using the only movement and breathing signals, which can be recorded with less effort than heart or brainwave signals, and requiring only four derived parameters for the calculations. Therefore, the new system is a significant improvement for non-obtrusive sleep stage identification compared to existing approaches.

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Metadaten
Author:Maksym GaidukORCiD, Juan José Perea Rodríguez, Ralf SeepoldORCiDGND, Natividad Martínez MadridORCiD, Thomas PenzelORCiD, Martin GlosORCiD, Juan Antonio OrtegaORCiD
DOI:https://doi.org/10.1109/JBHI.2021.3099295
ISSN:2168-2208
ISSN:2168-2194
Parent Title (English):IEEE Journal of Biomedical and Health Informatics
Volume:26
Publisher:IEEE
Document Type:Article
Language:English
Year of Publication:2022
Identifier:Im Katalog der Hochschule Konstanz ansehen
Release Date:2022/02/07
Tag:Biomedical signal processing; Regression analysis; Sleep stages; Sleep study
Issue:2
First Page:505
Last Page:514
Institutes:Institut für Angewandte Forschung - IAF
Relevance:Peer reviewed Publikation in Master Journal List
Open Access?:Nein
Licence (English):License LogoLizenzbedingungen IEEE