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EDITOR IN CHIEF- ABDULLAH BIN SALIM AL SHUEILI

Disrupted sleep may predict Alzheimer’s risk

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Lack of proper sleep may predict the risk of developing Alzheimer’s disease in people who are otherwise healthy, researchers claim.


Findings of a study in the US showed that people who reported worse sleep quality, more sleep problems and daytime sleepiness had more biological markers — including signs of amyloid, Tau and brain cell damage and inflammation — for Alzheimer’s disease in their spinal fluid than people who did not have sleep problems.


While amyloid is a protein that can fold and form into plaques, Tau is a protein that forms into tangles. These plaques and tangles are found in the brains of people with Alzheimer’s disease.


“Previous evidence has shown that sleep may influence the development or progression of Alzheimer’s disease in various ways,” said Barbara B Bendlin, from the University of Wisconsin-Madison in the US. “For example, disrupted sleep or lack of sleep may lead to amyloid plaque buildup because the brain’s clearance system kicks into action during sleep,” Bendlin added.


For the study, published in Neurology, the team recruited 101 people with an average age of 63 who had normal thinking and memory skills but who were considered at risk of developing Alzheimer’s, either having a parent with the disease or being a carrier of a gene — called apolipoprotein (APOE) — that increases the risk — IANS


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