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Sleep clears brain waste through the glymphatic system

New imaging research shows how sleep protects against neurodegeneration

Naveen Sankar S's avatar
Naveen Sankar S
Aug 28, 2025
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Scientists have confirmed that the brain has a waste clearance system, known as the glymphatic system, which becomes highly active during sleep. This discovery may explain the link between poor sleep and conditions like Alzheimer’s and Parkinson’s disease, and could open doors to therapies that enhance brain health.

Study Details

Although first proposed i…

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