Summary
A new study highlights a hidden connection between poor sleep and an increased risk of Alzheimer’s disease, suggesting that disrupted rest may contribute to brain changes linked to dementia. Researchers found that toxic tau proteins, a hallmark of Alzheimer’s, may interfere with normal brain energy use, keeping neural activity overly active and preventing deep, restorative sleep. This disrupted sleep, in turn, may reduce the brain’s ability to clear harmful waste such as amyloid and tau. Experts say this creates a vicious cycle where Alzheimer’s pathology worsens sleep, and poor sleep further accelerates cognitive decline, potentially raising long-term dementia risk.
Fox News

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