Find out how sleep duration might be linked to weight gain.
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.
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