Too little sleep linked to heart disease risk
November 9, 2013
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.

The research is the first to look at differences in risk between racial and ethnic groups, and also finds the strongest effect among Black and Hispanic Americans.

"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.

Using nationwide survey data from 2008, researchers divided results from more than 5,000 respondents representing the U.S. population into three groups. Very short sleepers got less than five hours per night, short sleepers got between five and six hours and long sleepers got more than nine hours.

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Posted by Ken at 4:50 AM