Variability in Self-Reported Normal Sleep Across the Adult Age Span

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dc.contributor.authorDillon, Haley R.
dc.contributor.authorLichstein, Kenneth L.
dc.contributor.authorDautovich, Natalie D.
dc.contributor.authorTaylor, Daniel J.
dc.contributor.authorRiedel, Brant W.
dc.contributor.authorBush, Andrew J.
dc.contributor.otherUniversity of Alabama Tuscaloosa
dc.contributor.otherUniversity of North Texas System
dc.contributor.otherUniversity of North Texas Denton
dc.contributor.otherUniversity of Tennessee System
dc.contributor.otherUniversity of Tennessee Health Science Center
dc.date.accessioned2021-04-23T21:11:59Z
dc.date.available2021-04-23T21:11:59Z
dc.date.issued2014-05
dc.description.abstractObjectives. Illustrate the importance of examining within- and between-person differences in sleep across the adult age span. Method. Two weeks of sleep diary data were analyzed for 592 normal sleepers ranging in age from 20 to 96 years. Variability in total sleep time (TST), number of nighttime awakenings (NWAK), sleep-onset latency (SOL), and wake-time after sleep onset (WASO) were examined overall and by age, sex, and race utilizing multilevel models and multiple regression. Results. Night-to-night differences in sleep within the same individual generally exceeded differences between individuals for TST, SOL, and WASO. The amount of intraindividual variability in TST and NWAK decreased with older age. Further, the degree of reduction in variability in TST associated with age depended on sex and race, with young black females showing the greatest variability. In general, females tended to have more intraindividual variability in SOL and NWAK than males, while race differences were complicated by high variability between blacks. Discussion. To truly assess and understand individual differences in the sleep of older adults, future research needs to take into account night-to-night variability (including what makes sleep vary from one night to the next), in addition to average sleep.en_US
dc.format.mimetypeapplication/pdf
dc.identifier.citationDillon, H., Lichstein, K., Dautovich, N., Taylor, D., Riedel, B., Bush A. (2014): Variability in Self-Reported Normal Sleep Across the Adult Age Span. The Journals of Gerontology: Series B, 70(1).
dc.identifier.doi10.1093/geronb/gbu035
dc.identifier.urihttp://ir.ua.edu/handle/123456789/7553
dc.languageEnglish
dc.language.isoen_US
dc.publisherOxford University Press
dc.subjectAge-related change
dc.subjectIntraindividual variability
dc.subjectSleep
dc.subjectHEALTH INTERVIEW SURVEY
dc.subjectLIFE-STYLE REGULARITY
dc.subjectOLDER-ADULTS
dc.subjectDURATION
dc.subjectQUALITY
dc.subjectTIME
dc.subjectGeriatrics & Gerontology
dc.subjectGerontology
dc.subjectPsychology
dc.subjectPsychology, Multidisciplinary
dc.titleVariability in Self-Reported Normal Sleep Across the Adult Age Spanen_US
dc.typetext
dc.typeArticle
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