Sleep Habits Vary by Ethnicity

From WebMD:

Sleep problems and sleep habits vary among different ethnic groups, according to a new national survey. But among all ethnicities, there remains a common denominator: Many of us simply don't get enough sleep.

http://www.webmd.com/sleep-disorders/news/20100309/sleep-habits-vary-by-ethnicity-survey-finds?src=RSS_PUBLIC

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