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Sleep risk for dementia

Could Prolonged Sleep Put You At Risk For Dementia?

Data from the Framingham Heart Study has shown that people who consistently sleep more than 9 hours each night had double the risk of developing dementia in 10 years as compared to participants who slept for 9 hours or less. The findings, which appear in the journal Neurology, also found those who slept longer had smaller brain volumes.

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