Girls stay up late ten harmful claims are not scientific, once in a while to stay up late is not harmful, but long-term stay up late may lead to weight gain, hair loss, skin condition deterioration, infertility, memory loss, immunity decline, endocrine disorders, breast disease, gynecological inflammation, as well as kidney function decline. 1. Weight gain: girls who stay up late for a long time will cause increased hunger, overeating will be prone to weight gain. 2. Hair loss: staying up late for a long time can easily lead to insufficient blood supply to the scalp, increased sebum secretion, and the phenomenon of hair loss. 3. Skin condition change: long-term stay up late, the skin will become rough, dull yellow, acne and so on. 4. Endocrine disorders: long-term staying up late will cause endocrine disorders in girls, which may cause infertility in serious cases. 5. Memory loss: girls stay up late for a long time, may lead to nerve dysfunction, memory loss phenomenon. 6. Decreased immunity: Staying up late can overload various organs of the body, causing women’s resistance to decline and easily fall ill. 7. Endocrine disorders: staying up late for a long time will make the endocrine function of girls dysfunctional, menstruation and hormone secretion abnormal. 8. Breast disease: girls who often stay up late, may destroy their own physiological patterns, in the long run will increase the risk of breast disease. 9. Gynecological diseases: a long time to stay up late will make the body immunity decline, so that germs are more likely to invade the body, and then induce a variety of gynecological pathologies. 10. Kidney function decline: long-term stay up late will make the body in a high load state, aggravate the kidney filtration function, may lead to kidney function decline. To summarize, girls stay up late for a long time will have a greater adverse effect on the body, it is recommended that female patients should try to maintain a regular work and rest, to avoid too much staying up late. If you feel sick, you should go to the hospital in time and follow the doctor’s instructions.