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It's past your bedtime, but does it matter anymore? How longitudinal changes in bedtime rules relate to adolescents' sleep
Örebro University, School of Behavioural, Social and Legal Sciences. College of Education, Psychology & Social Work, Flinders University, Adelaide, South Australia, Australia.ORCID iD: 0000-0002-1485-8564
The Matilda Centre for Research Excellence in Mental Health and Substance Use, The University of Sydney, Sydney, New South Wales, Australia.
The Matilda Centre for Research Excellence in Mental Health and Substance Use, The University of Sydney, Sydney, New South Wales, Australia.
The Matilda Centre for Research Excellence in Mental Health and Substance Use, The University of Sydney, Sydney, New South Wales, Australia.
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2023 (English)In: Journal of Sleep Research, ISSN 0962-1105, E-ISSN 1365-2869, article id e13940Article in journal (Refereed) Epub ahead of print
Abstract [en]

This study investigated how changing or maintaining parent-set bedtimes over time relates to adolescents' sleep timing, latency, and duration. Adolescents (n = 2509; Mage  = 12.6 [0.5] years; 47% m) self-reported their sleep patterns, and whether they had parent-set bedtimes on two separate occasions in 2019 (T1; 12.6 years) and 2020 (T2; 13.7 years). We identified four groups based on parent-set bedtimes: (1) bedtime rules at both T1 and T2 (46%, n = 1155), (2) no bedtime rules at T1 nor T2 (26%, n = 656), (3) bedtime rules at T1 but not T2 (19%, n = 472), (4) no bedtime rules at T1 but a parent-set bedtime at T2 (9%, n = 226). As expected, the entire sample showed that bedtimes generally became later and sleep duration shorter across adolescence, but the change differed among the groups. Adolescents whose parents introduced bedtime rules at T2 reported earlier bedtimes and longer sleep duration (~20 min) compared with adolescents with no bedtime rules at T2. Importantly, they no longer differed from adolescents who consistently had bedtimes across T1 and T2. There was no significant interaction for sleep latency, which declined at a similar rate for all groups. These results are the first to suggest that maintaining or re-introducing a parent-set bedtime may be possible and beneficial for adolescents' sleep.

Place, publisher, year, edition, pages
European Sleep Research Society , 2023. article id e13940
Keywords [en]
Adolescence, longitudinal, parenting, set bedtime, sleep problems
National Category
Applied Psychology
Identifiers
URN: urn:nbn:se:oru:diva-105974DOI: 10.1111/jsr.13940ISI: 000988127900001PubMedID: 37192612Scopus ID: 2-s2.0-85159348207OAI: oai:DiVA.org:oru-105974DiVA, id: diva2:1757569
Note

Funding agencies:

Paul Ramsay Foundation

National Health and Medical Research Council (NHMRC) of Australia APP1120641 APP1078407 APP1166377

Available from: 2023-05-17 Created: 2023-05-17 Last updated: 2023-12-08Bibliographically approved

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Bauducco, Serena

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