Multi-Night Validation of a Sleep Tracking Ring in Adolescents Compared with a Research Actigraph and Polysomnography

Nicholas IYN Chee,* Shohreh Ghorbani,* Hosein Aghayan Golkashani, Ruth LF Leong, Ju Lynn Ong, Michael WL Chee Centre for Sleep and Cognition, Yong Loo Lin School of Medicine, National University of Singapore, Singapore*These authors contributed equally to this workCorrespondence: Michael WL CheeCent...

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Autores principales:	Chee NIYN, Ghorbani S, Golkashani HA, Leong RLF, Ong JL, Chee MWL
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2021
Materias:	validation adolescents wearable polysomnography actigraphy Psychiatry RC435-571 Neurophysiology and neuropsychology QP351-495
Acceso en línea:	https://doaj.org/article/629e1bb88cd942b5a8b66f31e24587e5
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spelling	oai:doaj.org-article:629e1bb88cd942b5a8b66f31e24587e52021-12-02T14:16:01ZMulti-Night Validation of a Sleep Tracking Ring in Adolescents Compared with a Research Actigraph and Polysomnography1179-1608https://doaj.org/article/629e1bb88cd942b5a8b66f31e24587e52021-02-01T00:00:00Zhttps://www.dovepress.com/multi-night-validation-of-a-sleep-tracking-ring-in-adolescents-compare-peer-reviewed-article-NSShttps://doaj.org/toc/1179-1608Nicholas IYN Chee,* Shohreh Ghorbani,* Hosein Aghayan Golkashani, Ruth LF Leong, Ju Lynn Ong, Michael WL Chee Centre for Sleep and Cognition, Yong Loo Lin School of Medicine, National University of Singapore, Singapore*These authors contributed equally to this workCorrespondence: Michael WL CheeCentre for Sleep and Cognition, Yong Loo Lin School of Medicine, MD1 Level 13 Rm 05B, National University of Singapore, 117549, SingaporeTel +65 66013199Email michael.chee@nus.edu.sgBackground: Wearable devices have tremendous potential for large-scale longitudinal measurement of sleep, but their accuracy needs to be validated. We compared the performance of the multisensor Oura ring (Oura Health Oy, Oulu, Finland) to polysomnography (PSG) and a research actigraph in healthy adolescents.Methods: Fifty-three adolescents (28 females; aged 15– 19 years) underwent overnight PSG monitoring while wearing both an Oura ring and Actiwatch 2 (Philips Respironics, USA). Measurements were made over multiple nights and across three levels of sleep opportunity (5 nights with either 6.5 or 8h, and 3 nights with 9h). Actiwatch data at two sensitivity settings were analyzed. Discrepancies in estimated sleep measures as well as sleep-wake, and sleep stage agreements were evaluated using Bland–Altman plots and epoch-by-epoch (EBE) analyses.Results: Compared with PSG, Oura consistently underestimated TST by an average of 32.8 to 47.3 minutes (Ps < 0.001) across the different TIB conditions; Actiwatch 2 at its default setting underestimated TST by 25.8 to 33.9 minutes. Oura significantly overestimated WASO by an average of 30.7 to 46.3 minutes. It was comparable to Actiwatch 2 at default sensitivity in the 6.5, and 8h TIB conditions. Relative to PSG, Oura significantly underestimated REM sleep (12.8 to 19.5 minutes) and light sleep (51.1 to 81.2 minutes) but overestimated N3 by 31.5 to 46.8 minutes (Ps < 0.01). EBE analyses demonstrated excellent sleep-wake accuracies, specificities, and sensitivities – between 0.88 and 0.89 across all TIBs.Conclusion: The Oura ring yielded comparable sleep measurement to research grade actigraphy at the latter’s default settings. Sleep staging needs improvement. However, the device appears adequate for characterizing the effect of sleep duration manipulation on adolescent sleep macro-architecture.Keywords: validation, adolescents, wearable, polysomnography, actigraphyChee NIYNGhorbani SGolkashani HALeong RLFOng JLChee MWLDove Medical PressarticlevalidationadolescentswearablepolysomnographyactigraphyPsychiatryRC435-571Neurophysiology and neuropsychologyQP351-495ENNature and Science of Sleep, Vol Volume 13, Pp 177-190 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	validation adolescents wearable polysomnography actigraphy Psychiatry RC435-571 Neurophysiology and neuropsychology QP351-495
spellingShingle	validation adolescents wearable polysomnography actigraphy Psychiatry RC435-571 Neurophysiology and neuropsychology QP351-495 Chee NIYN Ghorbani S Golkashani HA Leong RLF Ong JL Chee MWL Multi-Night Validation of a Sleep Tracking Ring in Adolescents Compared with a Research Actigraph and Polysomnography
description	Nicholas IYN Chee,* Shohreh Ghorbani,* Hosein Aghayan Golkashani, Ruth LF Leong, Ju Lynn Ong, Michael WL Chee Centre for Sleep and Cognition, Yong Loo Lin School of Medicine, National University of Singapore, Singapore*These authors contributed equally to this workCorrespondence: Michael WL CheeCentre for Sleep and Cognition, Yong Loo Lin School of Medicine, MD1 Level 13 Rm 05B, National University of Singapore, 117549, SingaporeTel +65 66013199Email michael.chee@nus.edu.sgBackground: Wearable devices have tremendous potential for large-scale longitudinal measurement of sleep, but their accuracy needs to be validated. We compared the performance of the multisensor Oura ring (Oura Health Oy, Oulu, Finland) to polysomnography (PSG) and a research actigraph in healthy adolescents.Methods: Fifty-three adolescents (28 females; aged 15– 19 years) underwent overnight PSG monitoring while wearing both an Oura ring and Actiwatch 2 (Philips Respironics, USA). Measurements were made over multiple nights and across three levels of sleep opportunity (5 nights with either 6.5 or 8h, and 3 nights with 9h). Actiwatch data at two sensitivity settings were analyzed. Discrepancies in estimated sleep measures as well as sleep-wake, and sleep stage agreements were evaluated using Bland–Altman plots and epoch-by-epoch (EBE) analyses.Results: Compared with PSG, Oura consistently underestimated TST by an average of 32.8 to 47.3 minutes (Ps < 0.001) across the different TIB conditions; Actiwatch 2 at its default setting underestimated TST by 25.8 to 33.9 minutes. Oura significantly overestimated WASO by an average of 30.7 to 46.3 minutes. It was comparable to Actiwatch 2 at default sensitivity in the 6.5, and 8h TIB conditions. Relative to PSG, Oura significantly underestimated REM sleep (12.8 to 19.5 minutes) and light sleep (51.1 to 81.2 minutes) but overestimated N3 by 31.5 to 46.8 minutes (Ps < 0.01). EBE analyses demonstrated excellent sleep-wake accuracies, specificities, and sensitivities – between 0.88 and 0.89 across all TIBs.Conclusion: The Oura ring yielded comparable sleep measurement to research grade actigraphy at the latter’s default settings. Sleep staging needs improvement. However, the device appears adequate for characterizing the effect of sleep duration manipulation on adolescent sleep macro-architecture.Keywords: validation, adolescents, wearable, polysomnography, actigraphy
format	article
author	Chee NIYN Ghorbani S Golkashani HA Leong RLF Ong JL Chee MWL
author_facet	Chee NIYN Ghorbani S Golkashani HA Leong RLF Ong JL Chee MWL
author_sort	Chee NIYN
title	Multi-Night Validation of a Sleep Tracking Ring in Adolescents Compared with a Research Actigraph and Polysomnography
title_short	Multi-Night Validation of a Sleep Tracking Ring in Adolescents Compared with a Research Actigraph and Polysomnography
title_full	Multi-Night Validation of a Sleep Tracking Ring in Adolescents Compared with a Research Actigraph and Polysomnography
title_fullStr	Multi-Night Validation of a Sleep Tracking Ring in Adolescents Compared with a Research Actigraph and Polysomnography
title_full_unstemmed	Multi-Night Validation of a Sleep Tracking Ring in Adolescents Compared with a Research Actigraph and Polysomnography
title_sort	multi-night validation of a sleep tracking ring in adolescents compared with a research actigraph and polysomnography
publisher	Dove Medical Press
publishDate	2021
url	https://doaj.org/article/629e1bb88cd942b5a8b66f31e24587e5
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Multi-Night Validation of a Sleep Tracking Ring in Adolescents Compared with a Research Actigraph and Polysomnography

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