Too little dream sleep raises dementia risk
Posted 14 September 2017 - 06:49
People who have less rapid eye movement (REM) – the stage when dreaming occurs – during sleep may be at greater risk of dementia, a study shows
People who have less rapid eye movement (REM) – the stage when dreaming occurs – during sleep may be at greater risk of dementia, a study shows.
Researchers at Swinburne University of Technology in Melbourne, Australia, examined data from 321 people with an average age of 67 who were taking part in the 19-year Framingham Heart Study in the United States.
During the study, 32 people were diagnosed with dementia, including 24 with Alzheimer’s.
Brain activity
Those who developed dementia were found to spend an average 17% of sleep having REM, which features increased brain activity as well as higher body temperature, quicker pulse rate
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