How much sleep did you get last night? And the night before? If the answer was less than 6 hours each night, you're not only tired, but also unhealthy.
Experts at the c-d-c say 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 the cellular changes that lead to this increased risk.
Researchers in the u-k studied 26 volunteers who got less than 6 hours of sleep a night for a week straight. The next week they were able to sleep as much as ten hours a night. They found when the participants were sleep deprived; changes were made to more than seven hundred genes, mostly those that affect metabolism.
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