“Lack of restorative sleep can leave your eyes looking puffy in the morning. Why? Because, when you’re under stress, your cortisol levels rise, and this changes the salt balance in your body. In turn, this can lead you to retain water – hence, puffiness,” says Dr. Bowe. For less puffy eyes, try the above extra-pillow trick to help drain fluids! "When you lie flat, fluid can gather around your eyes," explains Elizabeth Tanzi, M.D., a dermatologist in Washington, D.C.

Youthful, glowing skin

When we sleep, our skin is busy healing itself from damage we might have sustained in the day from UV rays or pollution. “In fact, studies show that new skin cells grow faster while you sleep,” says Dr. Bowe. “Take advantage of this period of skin renewal and restoration by cleansing skin before bed and choosing products that will optimize this recovery period so that you wake up with healthier skin."

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