Staying up late can lead to hair loss. People who stay up late for a long time are always in a state of tension, and the body functions and metabolic state decline, which will lead to resting hair loss, due to irregular diet, the body lacks protein, zinc and other nutrients that synthesize hair, so it is easy to lose hair. Long-term staying up all night leads to endocrine disorders in the body, which is easy to produce seborrheic alopecia. The cause of seborrheic alopecia is not completely clear at present, except for heredity, it is mainly related to staying up late at night, working and studying under pressure, or eating spicy, greasy and stimulating food and other bad habits. Seborrheic alopecia has a chronic course, and male patients have more severe hair loss, and in severe cases, all the hair on the frontal angle and the top of the head will fall out. It is recommended to avoid staying up all night and to consult a doctor for treatment.