• Davy Vancampfort, Brendon Stubbs, Lee Smith, Mats Hallgren, Joseph Firth, Matthew P Herring, Michel Probst, and Ai Koyanagi.
• KU Leuven Department of Rehabilitation Sciences, Leuven, Belgium; KU Leuven, University Psychiatric Center KU Leuven, Kortenberg, Belgium. Electronic address: davy.vancampfort@kuleuven.be.
• Sleep Med. 2018 Aug 1; 48: 140-147.

ObjectiveAlthough physical activity (PA) is associated with a reduction of a wide range of sleep problems, it remains uncertain whether complying with the international guidelines of 150 min of moderate to vigorous PA per week can reduce sleep problems in adults. This research investigated the relationship between compliance with the PA recommendations of the World Health Organization and sleep problems in 38 low- and middle-income countries (LMICs).MethodsCross-sectional, community-based data from the World Health Survey were analyzed. Adjusted logistic regression analyses were undertaken to explore the relationship between PA levels using the International Physical Activity Questionnaire and self-reported sleep problems (such as difficulties falling asleep, waking up frequently during the night or waking up too early in the morning) in the last 30 days.ResultsAcross 204,315 individuals (38.6 ± 16.1 years; 49.3% males), the overall prevalence (95% CI) of low PA and sleep problems were 29.9% (29.1-30.8%) and 7.5% (7.2-7.9%), respectively. After adjusting for socio-demographics, obesity, chronic physical conditions, depression, and anxiety; not complying with PA recommendations was associated with higher odds for sleep problems overall [odds ratio (OR) = 1.23, 95% CI = 1.10-1.38] as well as across the entire age range: 18-34 years (OR = 1.26; 95% CI = 1.02-1.57); 35-64 years (OR = 1.17; 95% CI = 1.01-1.35); and age ≥65 years (OR = 1.40; 95% CI = 1.11-1.76).ConclusionsNot complying with international PA recommendations is associated with higher odds of sleep problems, independently of depression and anxiety in LMICs. Future longitudinal and interventional studies are warranted to assess whether increasing PA levels may improve sleep problems in this setting.Copyright © 2018 Elsevier B.V. All rights reserved.

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