When sleeping with a head full of sweat, need to be divided into the following cases: the first case is the external factors, such as sleeping room temperature is relatively high, cover the quilt and thick, or pillow is not breathable, this situation appears full of sweat, belongs to the normal physiological phenomenon. Secondly, there are some diseases that can also cause sweating, such as the recent cold, fever, or hyperthyroidism, these diseases can cause sweating, need to actively treat the original disease. The third condition is plant nerve dysfunction, sympathetic nerves are more excited. This disease can cause the symptoms of heavy sweating, need to take oral nerve-regulating drugs to treat, common drugs are glutathione, vitamin B1, tranquilizing brain solution and other such drugs.