Too much sleep 'could give you dementia': People who get nine hours a night are at risk of disorder 

Mail Online | 10/10/2019 | Connor Boyd Health Reporter For Mailonline
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A long list of studies in recent years have linked Alzheimer's disease with a lack of sleep.

But getting too much shut-eye may also raise the risk of the cruel memory-robbing disorder, according to research.

Scientists - People - Hours - Night - Decline

Scientists found people who slept for nine hours or more per night showed a significant decline in memory and language skills, early markers of dementia.

Those who got less than six hours were also at risk, with researchers claiming the sleep sweet spot is seven to eight hours.

Experts - Shut-eye - Dementia - People - Disorder

Experts are unsure why too much shut-eye may cause dementia, but they say people at-risk of the disorder have disruptions in their brain which promote longer sleeps.

The team of academics from the University of Miami Miller School looked at 5,247 Hispanics over seven years.

Participants - Part - Hispanic - Community - Health

Participants, all aged between 45 and 75, were part of the nationwide Hispanic Community Health Study/Study of Latinos.

It included Latinos from diverse backgrounds in Chicago, Miami, San Diego and the Bronx in New York City.

Participants - Test - Start - End - Study

Participants were given a neurocognitive test at the start and the end of the study.

Researchers assessed their attention, memory, language, reaction time and perception to give a snapshot of their brain health.

Volunteers - Questionnaires - Sleeping - Habits - Days

Volunteers were also asked to fill out weekly questionnaires about their sleeping habits over the last seven days.

They were asked what time they normally go to bed, what time they usually wake up and if they had napped at any point during the day.

Fifteen - Cent - Participants - Average

Fifteen per cent of participants slept for an average of...
(Excerpt) Read more at: Mail Online
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