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Alzheimer's study restores two hours of sleep without clearing plaques

Original: Alzheimer's breakthrough: 2 hrs of sleep restored without clearing brain plaques

Researchers report a breakthrough in Alzheimer's research: two hours of lost sleep were restored in treated subjects without reducing amyloid plaques in the brain. The finding suggests disrupted sleep may be addressed independently of plaque buildup, challenging the assumption that sleep problems in Alzheimer's stem solely from amyloid pathology. Scientists are discussing what mechanism could explain the improvement and whether it could lead to new therapies for patients.

Why now: It challenges the dominant plaque-centered model of Alzheimer's disease, so it is generating debate.

Alzheimer's diseaseamyloid plaquessleep researchers

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