Quality sleep frequency attenuates the negative impact of physical inactivity on mental wellbeing
Mini-Oral Presentation C2.4
DOI:
https://doi.org/10.14288/hfjc.v14i3.755Keywords:
Physical Activity, Sleep Quality, Mental Health Quotient, Interaction, AdultsAbstract
Background: With the emergent emphasis on the 24-hour movement paradigm, the importance of engaging in adequate amounts of sleep and physical activity (PA) is becoming increasingly apparent. Purpose: The present study used cross-sectional data from the Mental Health Million Project to examine how sleep and PA interact to influence mental health throughout adulthood. Methods: The sample included 46,202 participants (15,579 young adults, 10,658 middle-aged adults, 19,965 older adults; 27,299 females, 18,179 males, 724 other) from 137 countries that completed the 47-item Mental Health Quotient. Participants also reported how frequently they get a good night’s sleep and exercise; and were subsequently classified into one of 20 groups based on possible behavioural combinations. A multi-level regression analysis was conducted with participants nested within country. The group with the healthiest combination of sleep and exercise behaviour was set as the referent for comparison. Results: After adjusting for covariates, findings revealed mental wellbeing was greatest among the group of participants who reported getting quality sleep and exercising everyday, while those who rarely had a good night’s sleep and never exercise reported the worst scores. On average, groups characterized by higher levels of exercise reported greater mental wellbeing scores, but within each level of exercise engagement, there was a negative gradient association for mental wellbeing as frequency of quality sleep decreased. Conclusions: Overall, these findings suggest that sleep and physical activity behaviour need to be considered in tandem as the interactive effects amongst these behaviours appear to impact mental health in a potentially dose-response manner.
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Copyright (c) 2021 Denver M.Y. Brown, John Cairney, Matthew Y.W. Kwan
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