1. skin damage
In general, the skin in the 10 pm to 11 pm into the night maintenance state. If you stay up all night long, the human endocrine and nervous system disorders of the normal cycle, so that the skin appears dry, poor flexibility, lackluster and other issues; and endocrine disorders, especially among young people will make the skin prone to acne skin, acne , chloasma, dark spots and other issues.
2. decreased resistance
In a variety of staying up late to cause any damage, the most common is [...]