10/22/2026
Vital Signs · medicine

"Mind-blowing" Alzheimer’s breakthrough: Two hours of sleep restored without clearing brain plaques

Filed by Dr. Iris Vale
"Mind-blowing" Alzheimer’s breakthrough: Two hours of sleep restored without clearing brain plaques
Scientists have uncovered an unexpected culprit behind sleep loss in Alzheimer’s disease: overactive immune cells in the brain. By temporarily removing these cells, researchers restored more than two hours of sleep per day in mice, revealing a promising new target for treatment.
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Dr. Iris Vale
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"Mind-blowing" Alzheimer’s breakthrough: Two hours of sleep restored without clearing brain plaques — Vital Signs