Lack of deep sleep linked to early signs of Alzheimer's

The video discusses the accumulation of tau and amyloid beta proteins in the brain, forming plaques and tangles that degrade neurons. A study by Washington University School of Medicine examined the relationship between tau levels and sleep in 119 older adults. Participants' sleep was monitored, and tau and amyloid beta levels were measured. Results indicated that less slow wave sleep correlated with higher tau levels. Slow wave sleep is crucial for memory consolidation. Study author Brendan Lucy noted that increased tau pathology was linked to more sleep at night and daytime naps, but with poor sleep quality.

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