'Long Sleepers' Show Higher Dementia Risk
msn.com:
Spanish researchers found that among nearly 3,300 older adults they followed for three years, those who slept nine or more hours per day, daytime naps included, were about twice as likely to develop dementia as those who typically slept for seven hours.







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First Posted: 09-15-09 10:50 AM | Updated: 09-16-09 01:47 PM