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Study Says Sleeping Less Than Six Hours a Night Raises Risk for Dementia

It raises the risk for those in midlife by 30 percent

Calling all those who are sleep-deprived: We interrupt your yawns with an important announcement.

If you're trying to get by on about six hours or less of sleep a night during the workweek, you're setting up your brain for future failure, according to a new study published Tuesday in the journal Nature Communications.

After following nearly 8,000 people for 25 years, the study found a higher dementia risk with a "sleep duration of six hours or less at age 50 and 60" as compared to those who slept seven hours a night.

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