Prolonged night shifts may cause endocrine disruption, changes in sleep patterns, increased risk of gastrointestinal disorders, and damage to the circulatory system. 1. Endocrine disorders: long-term late night is easy to cause endocrine disorders, people do not sleep when it is time to sleep, will cause some hormone secretion abnormalities in the body, resulting in menstrual disorders and so on. 2. Long-term night work will also cause insomnia, day and night. 3. Many people who work night shifts will often eat late-night snacks for a long time will cause gastrointestinal burden, increasing the risk of gastrointestinal diseases. 4. In addition, chest tightness and shortness of breath, palpitations (rapid heartbeat, often accompanied by panic), and dyspnea during exertion may occur, which may lead to sudden death in serious cases. When you can’t sleep on the night shift, adjust to it as soon as possible after the night shift and try to stay regular.