The Impact of Sleep on Your Skin Health and Beauty

Sleep occurs when your body and brain drop into an unconscious, restorative state. While you're sleeping, many of your body's basic functions are altered or suspended while other specialized functions happen. You may not remember much of your sleep, but you're likely to spend about a third of your life in this state.

Sleep can do remarkable things for you. It allows your body to rest and perform some essential maintenance on your memory, hormones, your immune system and other critical functions. It improves the brain's ability to learn, helps the body fight infection, allows your heart to rest, and can even lower blood pressure. Not getting enough sleep can have adverse affects in all of these areas and others.

Sleep also serves as the body's natural "reset button" for your skin. During deep sleep, blood flow increases, delivering vital nutrients and oxygen. This downtime is when your body focuses on cellular repair, collagen production, and regulating the inflammatory responses that govern conditions like acne and eczema.

Collagen—the protein responsible for keeping skin firm and elastic—peaks overnight, helping to diminish fine lines and prevent premature aging.

Sleep calibrates your skin's natural barrier. Poor rest increases transepidermal water loss (TEWL), leading to dehydrated, dry, and irritated skin.

Sleep deprivation spikes stress hormones like cortisol, which trigger oil production and flare-ups for acne, psoriasis, and rosacea.

Lack of sleep causes blood vessels under your eyes to dilate, creating those stubborn dark shadows and puffiness.

So how do you know when you're getting the right amount sleep? When you wake up and feel rested, you've likely gotten enough. The amount of sleep someone needs is highly individual. In general, adults should get 7-8 hours of sleep, kids should get 9-13 hours, and infants need between 12-15 hours.

Over the course of a day, you build up sleep pressure. You may find yourself nodding off or feeling tired. This is your body's way of saying it needs to sleep.

So, how do you optimize your "beauty sleep?"

• Stick to a Schedule: Going to bed and waking up around the same time daily helps regulate your circadian rhythm and hormone cycles.

• Limit Screen Time: Put away phones and tablets at least an hour before bed; blue light can trick your brain and inhibit melatonin production.

• Seek Professional Help: If underlying issues like insomnia or sleep apnea are affecting your health, consult your physician or find a provider using tools like the American Academy of Sleep Medicine Directory. For ongoing breakouts, accelerated aging, or chronic skin irritation, you can find a dermatologist in your area through the American Academy of Dermatology Association.