🌙🧠 Fascinating new insights from Science reveal that sleep is far more than "rest." During non-rapid eye movement sleep, neuromodulators synchronize into ~50-second oscillatory rhythms that coordinate vascular pulsations, cerebrospinal fluid flow, and glymphatic clearance of amyloid-β and tau.

This elegant systems-level biology may explain why aging, psychiatric disease, stress, cardiovascular disease, and even common medications can increase dementia risk.

Sleep may be the brain's nightly cleansing symphony. 💤🌊

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