It might be.
Research suggests an association between sleep restriction and negative changes in metabolism. In adults, sleeping four hours a night, compared with 10 hours a night, appears to increase hunger and appetite — in particular for calorie-dense foods high in carbohydrates. Observational studies also suggest a link between sleep restriction and obesity. Other studies have found similar patterns in children and adolescents.
One explanation might be that sleep duration affects hormones regulating hunger — ghrelin and leptin. Another contributing factor might be that lack of sleep leads to fatigue and results in less physical activity.
So now you have another reason to get a good night's sleep.
April 02, 2020
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See more Expert Answers
- Bray GA. Obesity in adults: Etiology and natural history. https://www.uptodate.com/contents/search. Accessed April 10, 2018.
- Taveras EM, et al. Chronic sleep curtailment and adiposity. Pediatrics. 2014;133:1013.
- Hart CN, et al. Changes in children's sleep duration on food intake, weight, and leptin. Pediatrics. 2013;132:e1473.