sufficient sleep is essential for people who want to be healthy because Insufficient sleep can damage to your body This article will show some the effect of going to bed late .
Firstly If you go bed late; As a result, you look older than usual because When the body can not relax. your body will produce cortisol hormones.Cortisol will go to inhibit collagen formation in the skin ; as a result , wrinkles skin.
the following Insufficient sleep