1 25 Things Your Body Does While You Sleep – 99Viral - Page 5

25 Things Your Body Does While You Sleep

21. Your skin repairs itself

The top layer of the skin is made of closely packed dead cells which are constantly shed during the day. In sleep, the skin’s metabolic rate speeds up, and many of the body’s cells show increased production and reduced breakdown of proteins. As proteins are needed for cell growth and repair of damage from factors like UV rays, deep sleep may indeed be beauty sleep.

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