Sweating all over the body at night may be a physiological phenomenon caused by high ambient temperature, or it may be caused by tuberculosis, hyperthyroidism and other factors. 1. Physiological phenomenon: If the room temperature is too high when you sleep, or the blanket is thicker, it may lead to accelerated metabolism, and there will be a lot of sweating all over the body. 2. Tuberculosis disease: night sleep sweating wet all over the body also need to be alert to the occurrence of tuberculosis disease. Such as tuberculosis, bone tuberculosis, pleural tuberculosis. Usually accompanied by low fever, wasting and other symptoms. 3. Hyperthyroidism: If the patient has hyperthyroidism, hyperthyroidism, will accelerate the body’s metabolic rate, there is a large amount of sweat at night sleep, serious cases can be wet all over the performance. Causes of night sleep sweating all over the body wet more reasons, it is recommended to exclude physiological phenomena, and then consult a doctor in a timely manner.