Sleepless nights' link to heart disease

November 11, 2008 01:24pm

CUTTING back on sleep could increase the risk of heart disease, a US study published today found.

Sleeping less than 7.5 hours a night was associated with a 33 per cent higher rate of cardiovascular incidents such as strokes and heart attacks, according to a study in the Journal of the American Medical Association's Archives of Internal Medicine.

Japanese researchers monitored the sleep of 1,255 people with hypertension for an average of 50 months. They tracked daytime and nighttime blood pressure, sleep duration and cardiovascular disease events such as stroke, heart attack and sudden cardiac death. {Read From Original Source....}