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flag New study links deep sleep to brain waste clearance, suggesting potential risks from common sleeping pills.

flag A new study shows that deep sleep helps clear waste from the brain, which may protect against diseases like Alzheimer's. flag The process involves a molecule called norepinephrine, which increases during deep sleep and clears brain waste. flag However, common sleeping pills like zolpidem may disrupt this cleaning process, potentially harming cognitive function over time. flag Further research is needed to confirm these effects in humans.

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