Sleeping fewer hours in middle age associated with dementia risk – study

The study indicates that sleep may be important for brain health in midlife

There is a higher risk of dementia in those sleeping six or fewer hours per night at the age of 50 to 60

Regularly sleeping six hours or fewer per night during middle age may be associated with a greater risk of dementia, according to a new study.

Researchers say their findings cannot establish cause and effect, but suggest a link exists between sleep duration and dementia risk.