Occasional nausea and vomiting at night may be caused by reflux esophagitis, chronic gastritis, and improper sleeping position, which can be relieved by medication and daily care. 1. Medication: Reflux esophagitis can have symptoms such as acid reflux, nausea and vomiting, and can be treated with gastrointestinal stimulants such as domperidone and acid suppressants such as omeprazole. Chronic gastritis has the symptom of indigestion and may present with occasional nausea and vomiting at night. Acid suppressants such as omeprazole and pantoprazole can be taken to inhibit gastric acid secretion. Nausea and vomiting can be taken to promote gastric power drugs, such as domperidone, mosapride. 2. Daily Physical: Sleeping in the wrong position leads to poor ventilation, triggering hypoxia, there will be occasional nausea and vomiting at night, you can adjust the sleeping position to improve ventilation. Occasional nausea and vomiting at night may also have other causes, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.