Friday 15 December 2017

Poor sleep may affect memory

PEOPLE who suffer from disrupted sleep may have memory problems in later life, new research suggests.

Scientists have linked poor sleep with a build up of amyloid plaques -- sticky clumps of protein that build up in the brain which are a hallmark of Alzheimer's disease.

Researchers tested the sleep patterns of 100 people aged 45 to 80, and found that 25pc of participants had evidence of amyloid plaques, which can appear years before the symptoms of Alzheimer's disease begin. People who woke up more than five times each hour were more likely to have amyloid plaque build-up compared to people who did not wake up as much.

Those who spent less than 85pc of their time in bed sleeping were more likely to have the markers than those who spent more than 85pc of their time in bed sleeping.

"Disrupted sleep appears to be associated with the build up of amyloid plaques," said study author Yo-El Ju, of Washington University School of Medicine.


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