Deep sleep, memory formation go hand-in-hand. Scientists are also finding links to dementia

Deep sleep, memory formation go hand-in-hand. Scientists are also finding links to dementia

A growing body of research points to clear links between deep sleep and memory formation, and on the flip side, the possibility of dire consequences when someone’s sleep quality erodes over time. One new study found a decrease in deep sleep was associated with a higher risk of dementia. 

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