Women often stay up late, there may be menstrual disorders, skin deterioration, hair loss and other hazards. 1. Menstrual disorders: women who stay up late for a long time may have an adverse effect on the central nervous system, especially affecting the control of the regulation of the neuroendocrine axis, which may lead to endocrine disorders caused by menstrual disorders. 2. Skin deterioration: women who stay up late for a long time may not get enough sleep for a long time, which in turn causes abnormalities in the body’s blood circulation and metabolism, so it will further affect the state of women’s skin, in the state of staying up late, it may make the skin appear rough, yellowish, and even acne phenomenon. 3. Hair loss: women who stay up late for a long time may suffer from insufficient blood supply to the scalp and an increase in sebum secretion in the head, which in turn leads to shrinkage of the hair follicles and clogging of the pores, causing women to suffer from hair loss. Women who stay up late may also have other hazards, it is recommended to pay attention to, avoid staying up late for a long time, to maintain a good routine.