Sleeping six hours or less per night in your 50s and 60s is associated with an increased risk of dementia, according to a new study of nearly 8,000 British adults followed for more than 25 years.
Sleeping six hours or less per night in your 50s and 60s is associated with an increased risk of dementia, according to a new study of nearly 8,000 British adults followed for more than 25 years.