Staying up late during menstruation has certain hazards to the health of the female organism: first, staying up late during menstruation is likely to reduce the immunity of the organism, the immunity of women during menstruation is relatively low, if you stay up late again often will aggravate the reduction of immunity, prone to colds, stomach pain, diarrhea and other discomforts, after staying up late the next day is easy to appear physical fatigue, mental discomfort and other symptoms. Secondly, staying up late may lead to menstrual disorders, female hormones are secreted all the time, and the amount of secretion at night is relatively high. Staying up late during menstruation affects the secretion of hormones in the body, which may lead to changes in the amount of menstrual bleeding causing symptoms such as dripping menstruation. In addition, staying up late during menstruation can affect women’s beauty, leading to dry, dull, lusterless skin acne, acne, etc. It is recommended that whether in the menstrual period or non-menstrual period, we should develop good habits, work and rest on time, and do not stay up late regularly.