THE BASICS Remember when you used to brag about working a full day after a night of revelry, because who needed sleep anyway? Actually, we all do. Shut-eye is as crucial to our well-being as eating a healthy diet, exercising and not smoking, says Afifa Shamim-Uzzaman, M.D., a physician at the University of Michigan’s Sleep Disorders Center in Ann Arbor. Most adults need at least seven hours (more than nine if we’re sick or trying to catch up). Yet 39% of Americans ages 39 to 54 are deficient—the highest percentage of any age group—likely because we’re burning the midnight oil with kids, work emails, aging parents and more. Skimping is serious, though, since it boosts our risk of diabetes, hypertension, heart disease, depression, weight gain and even death, not to…
