A new study shows people who get less than six hours of sleep a night are at risk of being unhealthy.

Experts at the Center for Disease Control have said people who don t get enough sleep face an increased risk for heart disease, diabetes, high blood pressure, and obesity. Now, a new study finds there are cellular changes that lead to this greater risk.

Researchers from the University of Surrey in the UK studied volunteers who were sleep deprived for one week, and then allowed them to sleep as much as they wanted the following week.

Results showed when participants were sleep deprived, more than 700 of their genes were changed. Those genes were involved in metabolism, stress, and circadian rhythms.

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University of Surrey study

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