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Home : General Articles : Articles : Study: Sleeping for 9 hours or more each night is linked to dementia
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Study: Sleeping for 9 hours or more each night is linked to dementia

By: Team Ifairer | Posted: 11-10-2019
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Study: Sleeping for 9 hours or more each night is linked to dementia
Study: Sleeping for 9 hours or more each night is linked to dementia, study, sleeping for 9 hours or more each night is linked to dementia, sleep, dementia, research, ifairer
According to new research, sleeping for too long can be a cause for concern, too. Despite there being a load of studies that have linked Alzheimer's disease and dementia with a lack of sleep, a recent study from the University of Miami Miller School found that people who slept for nine hours or more per night showed a decline in memory and language skills - both of which are early signs of dementia. That doesn't mean you should dramatically cut down on your snoozing time, though - those who got less than six hours of sleep a night were also found to be at an increased risk of developing dementia.

As you might expect, the ideal amount of sleep is still seven to eight hours a night. Researchers aren't sure why there's a relationship between sleeping lots and developing dementia, and it's not as simple as a cause and effect connection. They believe that people at risk of dementia may have disruptions in their brain which mean they need longer sleeps. Too much sleep has been linked to lesions in the brain known as white matter hyperintensities, thought to be caused by decreased blood flow to the brain. The presence of these raises the risk of cognitive decline, dementia, and stroke.
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