Even Mild Sleep Deprivation May Lead to Weight Gain
A study from Columbia University indicates that chronic, mild sleep deprivation can lead to weight gain and metabolic issues. Researchers observed that participants who delayed their bedtime by 90 minutes for six weeks experienced measurable weight increases and reduced physical activity.
Because very few people can endure such severe sleep restrictions for more than a few days, though, the practical utility of this research is limited, and it hasn’t necessarily clarified whether more common and milder types of sleep deprivation, such as getting five to six hours of sleep per night, actually lead to weight gain.
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