Healthy Sleep, Healthier Heart
For people with a condition called metabolic syndrome—a combination of heart disease and diabetes risk factors like high blood pressure, high blood sugar, excess weight, and abnormal cholesterol levels—adequate sleep is especially important.
According to researchers at Penn State College of Medicine, people with metabolic syndrome who get an average of six hours of sleep per night or less are twice as likely to die of heart disease or stroke as those without the condition. People with metabolic syndrome who get more than six hours of sleep each night are also at increased risk, but their risk is not as high as it is for those who sleep less.
The research was conducted over a nearly 17-year period and was published in the Journal of the American Heart Association. While it suggests a link between shorter sleep and mortality in people with metabolic syndrome, it does not prove cause and effect.