A full moon over the ocean at night as a soft tide washes across smooth, glassy wet sand, a symbol of the nightly cleanup linking sleep and Alzheimer's risk.

Christopher Bray - 3 November 2026 - 9:14 am

Your Brain Takes Out the Trash at Night: Sleep and Alzheimer’s Risk

Key Takeaways: After a single night without sleep, 20 healthy adults showed a measurable rise in beta-amyloid, the protein that clumps into plaques in Alzheimer’s[…]

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Your Brain Takes Out the Trash at Night: Sleep and Alzheimer’s Risk