
Researchers looked at self-reported sleep duration data from about 8,000 adults measured at age 50, 60 and 70. Getty Images
Researchers looked at self-reported sleep duration data from about 8,000 adults measured at age 50, 60 and 70. Getty Images
Under five hours of sleep a night increases serious illness risk for over-50s
Study indicates middle-aged people getting less sleep more likely to contract cancer, diabetes or heart disease