Poor sleep may raise risk of dementia

December 10, 2014 11:10 PM

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Poor sleep may raise risk of dementia

Older men who have breathing difficulties or spend less time in deep sleep may be at greater risk of brain changes that can precede dementia, a new study suggests.

Experts said the findings don't prove that breathing disorders, including sleep apnea, lead to dementia. But they add to evidence that poor sleep may play a role in some older adults' mental decline.

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