Deep Sleep: A Crucial Factor in Dementia Risk

TL;DR Summary
A study conducted on participants over 60 years of age found that a mere 1% reduction in deep sleep per year corresponds to a 27% increased risk of dementia. Deep sleep, also known as slow wave sleep, plays a crucial role in clearing metabolic waste from the brain, including proteins linked to Alzheimer's disease. The findings suggest that maintaining or enhancing deep sleep in older years may be important in preventing dementia.
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