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12.04.2019 | Epidemiology • Review | Ausgabe 4/2019

Sleep and Breathing 4/2019

Experimental sleep restriction effect on adult body weight: a meta-analysis

Zeitschrift:
Sleep and Breathing > Ausgabe 4/2019
Autoren:
Haiqing Yu, Jiao Lu, Pengli Jia, Can Liu, Jingmin Cheng
Wichtige Hinweise

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Abstract

Background

Sleep is increasingly recognized as a potential risk for overweight and obesity. Observational studies have shown links between short sleep duration with weight gain. However, the findings from longitudinal studies in adults are conflicting. This review aimed to examine the effectiveness of experimental sleep restriction on adult body weight.

Method

A systematic search was undertaken in MEDLINE, EMBASE, PsycINFO, and CENTRAL (Cochrane center register of controlled trials) to identify experimental studies examining the effectiveness of sleep restriction on body weight, and search period was from January 2005 to June 2018. Meta-analysis was applied by using the random model.

Results

A total of 275 adults from six experimental studies were included. The pooled standard mean difference in body weight and body fat was 0.44 (95% CI − 0.13 to 1.02) (Z = 1.51, p > 0.05) and 0.35 kg (95% CI − 0.19 to 0.88) (Z = 1.27, p > 0.05), respectively. The experimental sleep restriction did not result in significant differences in adult body weight or body fat. Subgroup analysis showed that there were differences in weight gain between genders and races.

Conclusion

The finding from this review cannot support the hypothesis from observational studies that short sleep leads to weight gain.

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