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Automation of classification of sleep stages and estimation of sleep efficiency using actigraphy

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dc.contributor.authorKim, Hyejin-
dc.contributor.authorKim, Dongsin-
dc.contributor.authorOh, Junhyoung-
dc.date.accessioned2023-11-08T06:52:59Z-
dc.date.available2023-11-08T06:52:59Z-
dc.date.issued2023-01-09-
dc.identifier.issn2296-2565-
dc.identifier.issn2296-2565-
dc.identifier.urihttps://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/152104-
dc.description.abstractIntroductionSleep is a fundamental and essential physiological process for recovering physiological function. Sleep disturbance or deprivation has been known to be a causative factor of various physiological and psychological disorders. Therefore, sleep evaluation is vital for diagnosing or monitoring those disorders. Although PSG (polysomnography) has been the gold standard for assessing sleep quality and classifying sleep stages, PSG has various limitations for common uses. In substitution for PSG, there has been vigorous research using actigraphy. MethodsFor classifying sleep stages automatically, we propose machine learning models with HRV (heart rate variability)-related features and acceleration features, which were processed from the actigraphy (Maxim band) data. Those classification results were transformed into a binary classification for estimating sleep efficiency. With 30 subjects, we conducted PSG, and they slept overnight with wrist-type actigraphy. We assessed the performance of four proposed machine learning models. ResultsWith HRV-related and raw features of actigraphy, Cohen's kappa was 0.974 (p < 0.001) for classifying sleep stages into five stages: wake (W), REM (Rapid Eye Movement) (R), Sleep N1 (Non-Rapid Eye Movement Stage 1, S1), Sleep N2 (Non-Rapid Eye Movement Stage 2, S2), Sleep N3 (Non-Rapid Eye Movement Stage 3, S3). In addition, our machine learning model for the estimation of sleep efficiency showed an accuracy of 0.86. DiscussionOur model demonstrated that automated sleep classification results could perfectly match the PSG results. Since models with acceleration features showed modest performance in differentiating some sleep stages, further research on acceleration features must be done. In addition, the sleep efficiency model demonstrated modest results. However, an investigation into the effects of HRV-derived and acceleration features is required.-
dc.format.extent10-
dc.language영어-
dc.language.isoENG-
dc.publisherFRONTIERS MEDIA SA-
dc.titleAutomation of classification of sleep stages and estimation of sleep efficiency using actigraphy-
dc.typeArticle-
dc.publisher.location스위스-
dc.identifier.doi10.3389/fpubh.2022.1092222-
dc.identifier.scopusid2-s2.0-85146893408-
dc.identifier.wosid000916790500001-
dc.identifier.bibliographicCitationFRONTIERS IN PUBLIC HEALTH, v.10, pp 1 - 10-
dc.citation.titleFRONTIERS IN PUBLIC HEALTH-
dc.citation.volume10-
dc.citation.startPage1-
dc.citation.endPage10-
dc.type.docTypeArticle-
dc.description.isOpenAccessY-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassssci-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaPublic, Environmental & Occupational Health-
dc.relation.journalWebOfScienceCategoryPublic, Environmental & Occupational Health-
dc.subject.keywordPlusCHANNEL-
dc.subject.keywordPlusALGORITHM-
dc.subject.keywordPlusVALIDATION-
dc.subject.keywordPlusSYSTEM-
dc.subject.keywordAuthorsleep scoring-
dc.subject.keywordAuthorsleep efficiency-
dc.subject.keywordAuthoractigraphy-
dc.subject.keywordAuthormachine learning-
dc.subject.keywordAuthoralgorithm-
dc.identifier.urlhttps://www.frontiersin.org/articles/10.3389/fpubh.2022.1092222/full-
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