Sweating at night may be caused by tuberculosis, hyperthyroidism or diabetes, and needs to be analyzed specifically. 1. Tuberculosis: When patients suffer from tuberculosis, the toxins secreted by Mycobacterium tuberculosis and its metabolites affect the central nervous system’s regulatory points, resulting in night sweats. 2. Hyperthyroidism: patients with night sweats (abnormal sweating after falling asleep, waking up sweating stops) may also be hyperthyroidism and other causes, because hyperthyroidism patients have too much free thyroid hormone in the blood, the body’s high basal metabolic rate, the central nervous system dysfunction, which can cause night sweats. 3. diabetes: diabetic patients night sweating may be due to nighttime hypoglycemia, resulting in the body caused by hypoglycemia. The night sleep is always sweating can also be seen in the environment temperature is too high reasons, if not physiological factors caused by, it is recommended to improve the timely medical examination, standardized treatment.