Study Objectives: To assess the prospective relationship between sleep and obesity in a paediatric population. Methods: We performed a systematic search using PubMed, Embase, Web of Science, and Cochrane (up to September 25, 2017). Included studies were prospective, had follow-up of ≥1 year, had duration of sleep at baseline, and measures of incidence of overweight or obesity and/or changes in body mass index (BMI) z-score and BMI during follow-up. We extracted relative risks or changes in BMI z-score or BMI and 95% confidence intervals (CI) and pooled them using a random effect model. Results: Forty-two studies were included but, as there was significant heterogeneity, results are presented by age strata. Short sleep was associated with a greater risk of developing overweight or obesity in infancy (seven studies, 14 738 participants, risk ratio [RR]: 1.40; 95% CI 1.19 to 1.65; p < .001), early childhood (eight studies, 31 104 participants, RR: 1.57; 1.40 to 1.76; p < .001), middle childhood (three studies, 3 005 participants, RR: 2.23; 2.18 to 2.27; p < .001), and adolescence (three studies, 26 652 participants, RR: 1.30; 1.11 to 1.53; p
CITATION STYLE
Miller, M. A., Kruisbrink, M., Wallace, J., Ji, C., & Cappuccio, F. P. (2018). Sleep duration and incidence of obesity in infants, children, and adolescents: a systematic review and meta-analysis of prospective studies. Sleep, 41(4), 1–19. https://doi.org/10.1093/sleep/zsy018
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