Premature aging: When you don't get enough sleep, your body releases the stress hormone cortisol. If your body releases too much cortisol, it starts to break down collagen, a protein that promotes smooth skin and elasticity. Sleep deprivation also may decrease the production of the growth hormones in your body that strengthen the skin and fend off wrinkles, says Dr. David Bank, dermatologist and director of The Center for Dermatology, Cosmetic, and Laser Surgery in Mount Kisco, NY, and author of
Beautiful Skin – Every Woman's Guide to Looking Her Best at Any Age. Skimp on sleep and you'll lose the restorative effects that make your skin look young and healthy.
