Deviations from normal bedtimes are associated with short-term increases in resting heart rate

Abstract Despite proper sleep hygiene being critical to our health, guidelines for improving sleep habits often focus on only a single component, namely, sleep duration. Recent works, however, have brought to light the importance of another aspect of sleep: bedtime regularity, given its ties to cogn...

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Autores principales:	Louis Faust, Keith Feldman, Stephen M. Mattingly, David Hachen, Nitesh V. Chawla
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Computer applications to medicine. Medical informatics R858-859.7
Acceso en línea:	https://doaj.org/article/2be2d87cf42441b0b9e3d53fc9bad56c
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spelling	oai:doaj.org-article:2be2d87cf42441b0b9e3d53fc9bad56c2021-12-02T16:36:05ZDeviations from normal bedtimes are associated with short-term increases in resting heart rate10.1038/s41746-020-0250-62398-6352https://doaj.org/article/2be2d87cf42441b0b9e3d53fc9bad56c2020-03-01T00:00:00Zhttps://doi.org/10.1038/s41746-020-0250-6https://doaj.org/toc/2398-6352Abstract Despite proper sleep hygiene being critical to our health, guidelines for improving sleep habits often focus on only a single component, namely, sleep duration. Recent works, however, have brought to light the importance of another aspect of sleep: bedtime regularity, given its ties to cognitive and metabolic health outcomes. To further our understanding of this often-neglected component of sleep, the objective of this work was to investigate the association between bedtime regularity and resting heart rate (RHR): an important biomarker for cardiovascular health. Utilizing Fitbit Charge HRs to measure bedtimes, sleep and RHR, 255,736 nights of data were collected from a cohort of 557 college students. We observed that going to bed even 30 minutes later than one’s normal bedtime was associated with a significantly higher RHR throughout sleep (Coeff +0.18; 95% CI: +0.11, +0.26 bpm), persisting into the following day and converging with one’s normal RHR in the early evening. Bedtimes of at least 1 hour earlier were also associated with significantly higher RHRs throughout sleep; however, they converged with one’s normal rate by the end of the sleep session, not extending into the following day. These observations stress the importance of maintaining proper sleep habits, beyond sleep duration, as high variability in bedtimes may be detrimental to one’s cardiovascular health.Louis FaustKeith FeldmanStephen M. MattinglyDavid HachenNitesh V. ChawlaNature PortfolioarticleComputer applications to medicine. Medical informaticsR858-859.7ENnpj Digital Medicine, Vol 3, Iss 1, Pp 1-9 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Computer applications to medicine. Medical informatics R858-859.7
spellingShingle	Computer applications to medicine. Medical informatics R858-859.7 Louis Faust Keith Feldman Stephen M. Mattingly David Hachen Nitesh V. Chawla Deviations from normal bedtimes are associated with short-term increases in resting heart rate
description	Abstract Despite proper sleep hygiene being critical to our health, guidelines for improving sleep habits often focus on only a single component, namely, sleep duration. Recent works, however, have brought to light the importance of another aspect of sleep: bedtime regularity, given its ties to cognitive and metabolic health outcomes. To further our understanding of this often-neglected component of sleep, the objective of this work was to investigate the association between bedtime regularity and resting heart rate (RHR): an important biomarker for cardiovascular health. Utilizing Fitbit Charge HRs to measure bedtimes, sleep and RHR, 255,736 nights of data were collected from a cohort of 557 college students. We observed that going to bed even 30 minutes later than one’s normal bedtime was associated with a significantly higher RHR throughout sleep (Coeff +0.18; 95% CI: +0.11, +0.26 bpm), persisting into the following day and converging with one’s normal RHR in the early evening. Bedtimes of at least 1 hour earlier were also associated with significantly higher RHRs throughout sleep; however, they converged with one’s normal rate by the end of the sleep session, not extending into the following day. These observations stress the importance of maintaining proper sleep habits, beyond sleep duration, as high variability in bedtimes may be detrimental to one’s cardiovascular health.
format	article
author	Louis Faust Keith Feldman Stephen M. Mattingly David Hachen Nitesh V. Chawla
author_facet	Louis Faust Keith Feldman Stephen M. Mattingly David Hachen Nitesh V. Chawla
author_sort	Louis Faust
title	Deviations from normal bedtimes are associated with short-term increases in resting heart rate
title_short	Deviations from normal bedtimes are associated with short-term increases in resting heart rate
title_full	Deviations from normal bedtimes are associated with short-term increases in resting heart rate
title_fullStr	Deviations from normal bedtimes are associated with short-term increases in resting heart rate
title_full_unstemmed	Deviations from normal bedtimes are associated with short-term increases in resting heart rate
title_sort	deviations from normal bedtimes are associated with short-term increases in resting heart rate
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/2be2d87cf42441b0b9e3d53fc9bad56c
work_keys_str_mv	AT louisfaust deviationsfromnormalbedtimesareassociatedwithshorttermincreasesinrestingheartrate AT keithfeldman deviationsfromnormalbedtimesareassociatedwithshorttermincreasesinrestingheartrate AT stephenmmattingly deviationsfromnormalbedtimesareassociatedwithshorttermincreasesinrestingheartrate AT davidhachen deviationsfromnormalbedtimesareassociatedwithshorttermincreasesinrestingheartrate AT niteshvchawla deviationsfromnormalbedtimesareassociatedwithshorttermincreasesinrestingheartrate
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Deviations from normal bedtimes are associated with short-term increases in resting heart rate

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