Getting less than six hours’ sleep a night doubles the chance of dying from a heart attack or stroke in at-risk people.
The long-term survey of 1,344 patients, average age 49, is the first to measure sleep in a lab. The study is the first to look at the impact of sleep duration on the chances of early death in those with a common group of heart disease risk factors.
Researchers said the effect was particularly strong in those with elevated blood pressure or poor glucose metabolism. Those with risk factors who slept under six hours a night were 2.1 times more likely to die of heart disease. Read more at The Sun.