Staying up late when the body’s vegetative nerves are confused can cause abnormal bowel movement function, resulting in constipation. If staying up late causes constipation, patients should reduce staying up late, staying up late is more harmful to the body. Chinese medicine believes that the heart, liver, spleen, lungs and kidneys are all repairing and growing as well as self-regulating at night, especially from 0-3 am. If patients stay up late, it will cause discomfort in the gastrointestinal tract and various organs, so they need to minimize staying up late. It is recommended that constipation patients avoid staying up late when not necessary and go to sleep before 10:00 a.m. When the body goes to sleep, it is conducive to the recovery of various organs.