Sweating in bed at night may be caused by hypoglycemia, angina pectoris, menopausal syndrome and other causes. 1. Hypoglycemia. If the patient has diabetes and hypoglycemia occurs at night, this can have the following symptoms, accompanied by panic, a feeling of hunger and other symptoms. 2. Angina. If the patient has coronary heart disease and angina pectoris occurs, the patient may have the above symptoms, accompanied by chest pain, chest tightness, panic, cyanosis and so on. 3. Menopausal syndrome. If the patient has menopausal syndrome, the above symptoms can occur, accompanied by insomnia, depression, reluctance to talk. Therefore, night sweats can be caused by the above reasons, it is recommended that the patient go to the hospital, find a professional doctor for diagnosis and treatment, and develop appropriate treatment programs.