Can too little sleep cause weight gain?

Published On: May 05 2014 10:34:34 AM HST
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By Mayo Clinic News Network

Recent studies have suggested an association between sleep duration and weight gain. Sleeping less than five hours -- or more than nine hours -- a night appears to increase the likelihood of weight gain.

In one study, recurrent sleep deprivation in men increased their preferences for high-calorie foods and their overall calorie intake. In another study, women who slept less than six hours a night or more than nine hours were more likely to gain 11 pounds (5 kilograms) compared with women who slept seven hours a night. Other studies have found similar patterns in children and adolescents.

One explanation may be that sleep duration affects hormones regulating hunger — ghrelin and leptin — and stimulates the appetite. Another contributing factor may 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.

Source: http://www.mayoclinic.org/healthy-living/adult-health/expert-answers/sleep-and-weight-gain/faq-20058198?utm_source=newsletter&utm_medium=email&utm_campaign=housecall&pubDate=07/17/2013

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