Is increased sleepiness in our 80s tied to higher dementia risk?

A study led by Yue Leng, Ph.D., and Sasha Milton, followed the sleep patterns of 733 older female participants to see if specific patterns of change were associated with a higher risk of dementia. The participants, whose average age was 83, were monitored by wrist devices that track movement and time spent asleep. They had normal cognition at the start of the study.

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