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Studies: Better sleep may be important for Alzheimer's risk

1 year 4 months 3 weeks ago July 20, 2015 Jul 20, 2015 Monday, July 20 2015 July 20, 2015 2:15 PM in Health
Source: Associated Press
By: Lauren Neergard

WASHINGTON - New research suggests poor sleep may increase people's risk of Alzheimer's disease, by spurring a brain-clogging gunk that in turn further interrupts shut-eye.

Enough sleep is important for good health generally, but a series of studies presented Monday at the Alzheimer's Association International Conference suggests another reason to get enough sleep.

In one study, healthy seniors with more of the sticky Alzheimer's-related amyloid protein got less deep sleep - and scored poorly on a memory challenge. Another study tracked thousands of seniors and found disrupted sleep - especially sleep apnea - increased the risk of cognitive decline. Mice studies illustrate the biology, as sleep deprivation spurred amyloid build-up, leading to more sleep trouble.

Sleep problems are treatable, so a next question is whether improving sleep will protect seniors' brains.

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