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Sleep in everyday life – relationship to mood and performance in young and older adults: a study protocol
Stockholm University, Faculty of Social Sciences, Department of Psychology, Stress Research Institute. Stockholm University, Faculty of Social Sciences, Department of Psychology, Biological psychology. Karolinska Institute, Stockholm, Sweden.ORCID iD: 0000-0001-9873-2506
Stockholm University, Faculty of Social Sciences, Department of Psychology, Biological psychology.
Stockholm University, Faculty of Social Sciences, Department of Psychology, Stress Research Institute. Stockholm University, Faculty of Social Sciences, Department of Psychology, Biological psychology.ORCID iD: 0000-0003-0834-0811
Stockholm University, Faculty of Social Sciences, Department of Psychology, Stress Research Institute. Stockholm University, Faculty of Social Sciences, Department of Psychology, Biological psychology. Karolinska Institute, Stockholm, Sweden.ORCID iD: 0000-0001-8049-8504
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Number of Authors: 52023 (English)In: Frontiers in Psychology, E-ISSN 1664-1078, Vol. 14, article id 1264881Article in journal (Refereed) Published
Abstract [en]

Laboratory based sleep deprivation studies demonstrate that lack of sleep impairs well-being and performance ability, but suggest that these effects are mitigated in older adults. Yet, much less is known whether day-to-day variations of sleep have similar consequences in the context of everyday life. This project uses an intensive longitudinal design to investigate the occurrence of day-to-day variations in sleep and their impact on mood and performance in everyday life and to examine whether effects differ between young and older adults. We aim to include 160 young (18–30 years) and 160 older adults (55–75 years) to complete a 21-day experience sampling method (ESM) protocol. During the ESM period, participants are asked to fill in (i) a brief morning questionnaire, (ii) 8 short daytime questionnaires addressing momentary well-being, sleepiness, stress, and mind wandering, followed by a 1 min cognitive task and (iii) a brief evening questionnaire, all delivered via a mobile phone application. Sleep will be measured using self-reports (daily questions) and objectively with wrist actigraphy. The impact of adult age on mean levels and intraindividual variability of sleep will be analyzed using mixed-effects location scale models. The impact of sleep on daily cognitive performance will be analyzed using multilevel linear mixed models. The relationship of sleep to mean values and variability of positive and negative affect in young and older adults will be analyzed using mixed-effects location scale modeling. The overarching purpose of the project is improving the current knowledge on the occurrence of day-to-day variations in sleep and their relationship to performance as well as positive and negative affect in young and older adults.

Place, publisher, year, edition, pages
Frontiers Media S.A., 2023. Vol. 14, article id 1264881
Keywords [en]
sleep, mood, performance, experience sampling method (ESM), intensive longitudinal, age
National Category
Psychology
Research subject
Psychology
Identifiers
URN: urn:nbn:se:su:diva-224267DOI: 10.3389/fpsyg.2023.1264881ISI: 001118947200001Scopus ID: 2-s2.0-85178936186OAI: oai:DiVA.org:su-224267DiVA, id: diva2:1817309
Funder
Riksbankens Jubileumsfond, P19-0567:1
Note

Stockholm University Library funds the open access fee.

Available from: 2023-12-05 Created: 2023-12-05 Last updated: 2024-01-30Bibliographically approved

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Schwarz, Johanna F. A.Freidle, Malinvan Leeuwen, WesselÅkerstedt, TorbjörnKecklund, Göran

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