Too little sleep linked to heart disease risk

By Kathryn Doyle NEW YORK (Reuters Health) - In a large U.S. study, people who tended to get less than six hours of sleep nightly were more likely to have high blood pressure, high cholesterol, diabetes and to be obese. "This is important, since racial minorities are generally at increased risk of cardiovascular disease, diabetes and obesity," Michael A. Grandner said. "And if they also tend to have more sleep difficulties, that could be making things worse." Grandner led the study at the Center for Sleep and Circadian Neurobiology at the University of Pennsylvania in Philadelphia. Very short and short sleep were both linked to poor health, Grandner's team reports in the journal Sleep Medicine.



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