Researchers have noted excessive daytime napping can develop long before memory problems of Alzheimer's disease appear. Prior studies considered excessive daytime napping compensation for poor nighttime sleep caused by Alzheimer's-related disruptions in sleep-promoting brain regions; others argued that the sleep problems contribute to progression of the disease. But now scientists have provided a new explanation for this phenomenon, showing that Alzheimer's disease directly attacks brain regions responsible for daytime wakefulness.
from Healthy Aging News -- ScienceDaily https://ift.tt/31ytzg9
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