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Day-to-day and longer-term longitudinal associations between physical activity, sedentary behavior, and sleep in children
Antczak, Devan Sanders, Taren del Pozo Cruz, Borja Parker, Philip Lonsdale, Chris
Antczak, Devan
Sanders, Taren
del Pozo Cruz, Borja
Parker, Philip
Lonsdale, Chris
Abstract
Study Objectives
To determine the day-to-day and longer-term longitudinal associations between daytime physical activity and night-time sleep.
Methods
We used data from a 2-year longitudinal study which included three time points (i.e. baseline, year 1, and year 2). Participants were recruited from primary schools and included 1059 children (50% girls) with a mean age of 8.81-years-old (SD = 0.72) at baseline. Sleep variables included sleep duration, sleep efficiency, time in bed, sleep onset, and wake time. Physical activity variables included light, moderate, moderate-to-vigorous, and vigorous physical activity as well as sedentary time. We objectively assessed physical activity and sleep behaviors using the GENEActiv wrist-worn accelerometer over an 8-day period at each timepoint for a potential 21 190 observed days.
Results
We used fixed-effects multilevel models and parallel latent growth curve modeling to examine day-to-day and longer-term associations, respectively. Day-to-day, physical activity, and sleep variables were significantly, positively, and bidirectionally associated, except for sleep efficiency, which showed little association with physical activity. Longer-term, we found little association between physical activity and sleep variables.
Conclusions
Overall, our findings indicate that there is a day-to-day association between the amount of time spent being physically active and improved sleep. The lack of a longer-term association indicates that a focus on children’s daily behavior may be most appropriate to help children improve sleep and increase physical activity.
Keywords
sleep, physical activity, child, pediatric, longitudinal, actigraphy
Date
2021
Type
Journal article
Journal
Sleep
Book
Volume
44
Issue
4
Page Range
1-10
Article Number
ACU Department
School of Behavioural and Health Sciences
Faculty of Health Sciences
Institute for Positive Psychology and Education
Faculty of Education and Arts
Non-faculty
Faculty of Health Sciences
Institute for Positive Psychology and Education
Faculty of Education and Arts
Non-faculty
Relation URI
Source URL
Event URL
Open Access Status
License
All rights reserved
File Access
Controlled