Dizziness, nausea and vomiting at night are considered to be caused by gastrointestinal disorders, hypertension, Meniere’s disease, migraine and other diseases. 1. Gastrointestinal dysfunction: gastrointestinal infections, mental and psychological disorders, and abnormal autonomic nervous system function may induce gastrointestinal dysfunction, resulting in postprandial fullness, nausea and vomiting, and dizziness after eating at night. 2. Hypertension: If the patient himself suffers from high blood pressure, strenuous exercise, emotional excitement or eating high-salt and high-fat food at night may lead to increased blood pressure, inducing dizziness, nausea and vomiting symptoms. 3. Meniere’s disease: Meniere’s disease belongs to a kind of auricular vertigo disease, if the endolymphatic duct mechanical obstruction and endolymphatic absorption disorder, it is easy to induce Meniere’s disease, so that the patient at night sudden dizziness, nausea and vomiting and other symptoms. 4. Migraine: patients can be induced by daytime exertion or emotional factors, headache on one side, nausea and vomiting, photophobia, pallor and other symptoms. There are various reasons that lead to dizziness and nausea at night, and it is recommended that patients go to the hospital in time to find out the cause of the disease. Once diagnosed, you should actively cooperate with the doctor to take relevant treatment measures to avoid delaying the condition.