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How does lack of sleep affect skin?

What's the worst thing you can do to your skin, besides skipping sunscreen? Depriving yourself of sleep. It's called beauty rest for a reason, says Ellen Marmur, MD, associate professor of dermatology and genetics at Mount Sinai School of Medicine. "If we don't get a good night's sleep, we look ragged the next day. When you're sleeping, your body goes into parasympathetic mode, where energy is shifted away from the core and given to the rest of the body to rejuvenate," she explains. When you miss out on sleep, skin doesn't have time to repair itself.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.