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Physical Activity and Nighttime Sleep in Adolescents
Jose A Cecchini-Estrada1, Javier Fernández-Río, Daniel Fernández-Argüelles
1Universidad de Oviedo.
Psicothema
|April 25, 2023
Summary
Physical activity did not show bidirectional effects with sleep in adolescents. Autoregressive models revealed sleep onset and offset influenced sedentary behavior, but not moderate-to-vigorous physical activity.
Area of Science:
- Adolescent Health
- Sleep Science
- Exercise Physiology
Background:
- Conflicting evidence exists on the bidirectional relationship between physical activity and nighttime sleep.
- Previous research has yielded inconsistent findings regarding this association.
Purpose of the Study:
- To investigate the bidirectional association between physical activity and sleep patterns in adolescents.
- To clarify the complex interplay between sleep and physical activity using advanced statistical modeling.
Main Methods:
- Utilized multivariate vector autoregression (mlVAR) models.
- Collected data from 214 adolescents (117 boys, 97 girls) over three years.
- Measured study variables using accelerometers for 7 consecutive days.
Main Results:
- Autoregressive effects were identified for sleep onset, sleep offset, and sedentary behavior.
- Sleep onset, total sleep time, and sleep efficiency directly impacted sedentary behavior.
- Moderate-to-vigorous physical activity demonstrated no significant relationship with any sleep variables.
Conclusions:
- The hypothesis of bidirectional relationships between physical activity and sleep in adolescents was not supported.
- Findings suggest sleep parameters influence sedentary behavior, rather than a reciprocal link with physical activity.
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