Middle-aged people who sleep six hours or less at greater risk of dementia, study finds
by Ian Sample Science editor from Science | The Guardian on (#5GTV7)
UCL data of 10,000 volunteers shows cases 30% higher among those who slept poorly in their 50s, 60s and 70s
People who regularly sleep for six hours or less each night in middle age are more likely to develop dementia than those who routinely manage seven hours, according to a major study into the disease.
Researchers found a 30% greater risk of dementia in those who during their 50s, 60s and 70s consistently had a short night's sleep, regardless of other risk factors such as heart and metabolic conditions and poor mental health.
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