Differences in Weeknight Versus Weekend Self-Reported Sleep Parameters Across Sleep Subgroups

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dc.contributorHamilton, James C
dc.contributorKnowlden, Adam P
dc.contributorSalekin, Karen L
dc.contributor.advisorLichstein, Kenneth L.
dc.contributor.advisorGunn, Heather E.
dc.contributor.authorMolzof, Hylton Elisabeth
dc.contributor.otherUniversity of Alabama Tuscaloosa
dc.date.accessioned2022-04-13T20:33:52Z
dc.date.available2027-09-01
dc.date.issued2020
dc.descriptionElectronic Thesis or Dissertationen_US
dc.description.abstractInsomnia identity refers to the conviction that one has insomnia, which can occur independently of poor sleep. The present study explored weeknight-weekend differences in sleep as a commonly overlooked factor contributing to night-to-night sleep variability as well as the discordance often documented between sleep and sleep appraisal. Multilevel modeling was used to explore sources of variability (within-person/between-person) and weeknight-weekend differences in outcomes of sleep duration (total sleep time, TST), sleep disturbance (sleep onset latency, SOL; wake after sleep onset, WASO), and sleep timing (bedtime, BT; arising time, AT; mid-sleep time, MST) among four sleep subgroups: noncomplaining good sleepers (NG), complaining poor sleepers (CP), complaining good sleepers (CG), and noncomplaining poor sleepers (NP). Analyses were conducted using an archival dataset of 528 community-dwelling adults who completed 14 days of sleep diaries. Participants were classified according to the presence/absence of a sleep complaint and presence/absence of poor sleep. First, sources of variability (within-person/between-person) were characterized for each sleep parameter among the sleep subgroups, separately. Second, weeknight-weekend differences in sleep were examined among the sleep subgroups by crossing sleep complaint with quantitative sleep status and day-type. Pervasive differences in weeknight versus weekend sleep were not observed among the sleep subgroups; nonetheless, findings did identify a few notable subgroup differences in certain sleep parameters that may contribute to sleep complaint and poor sleep. Specifically, CG exhibited significantly greater WASO than NG on weeknights only. WASO and SOL were each greater among CP than NP across weeknights and weekends. Earlier AT and MST – but not BT– were observed among good sleepers relative to poor sleepers on weeknights only. Within-person differences were greater than between-person differences for TST, SOL, and WASO across sleep subgroups; however, between-person differences exceeded within-person differences for sleep timing outcomes (BT, AT, MST). Findings from this study suggest that (1) differences in certain sleep parameters (WASO, SOL) may contribute to sleep complaint among good and poor sleepers, (2) delayed weekday sleep timing may be an important factor distinguishing between poor and good sleep subgroups, and (3) sources of variability (within-person/between-person) vary depending on both the sleep subgroup and sleep parameter being examined.en_US
dc.format.mediumelectronic
dc.format.mimetypeapplication/pdf
dc.identifier.otherhttp://purl.lib.ua.edu/182062
dc.identifier.otheru0015_0000001_0004215
dc.identifier.otherMolzof_alatus_0004D_14255
dc.identifier.urihttps://ir.ua.edu/handle/123456789/8394
dc.languageEnglish
dc.language.isoen_US
dc.publisherUniversity of Alabama Libraries
dc.relation.hasversionborn digital
dc.relation.ispartofThe University of Alabama Electronic Theses and Dissertations
dc.relation.ispartofThe University of Alabama Libraries Digital Collections
dc.rightsAll rights reserved by the author unless otherwise indicated.en_US
dc.subjectInsomnia
dc.subjectSleep
dc.subjectSleep complaint
dc.subjectSleep Variability
dc.subjectWeekend
dc.subjectWeeknight
dc.titleDifferences in Weeknight Versus Weekend Self-Reported Sleep Parameters Across Sleep Subgroupsen_US
dc.typethesis
dc.typetext
etdms.degree.departmentUniversity of Alabama. Department of Psychology
etdms.degree.disciplineClinical psychology
etdms.degree.grantorThe University of Alabama
etdms.degree.leveldoctoral
etdms.degree.namePh.D.

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