Sweating profusely while sleeping after drinking alcohol is considered to be possibly related to environmental factors, alcohol effects, and hypoglycemia. 1. Environmental factors: after drinking alcohol, if you sleep in the environment where the temperature is high, this time can lead to a lot of sweating, which is a normal physiological reaction, after the environment becomes cooler sweating will stop. 2. Alcohol effect: after drinking alcohol, because alcohol can make the body’s blood vessels dilate, the blood flow of the whole body accelerated, it is possible to sweat at this time. 3. Hypoglycemia: after drinking alcohol, if you eat less, and the patient has taken sulfonylurea hypoglycemic drugs or insulin, there may be hypoglycemia, after drinking alcohol to sleep a lot of sweating can not be ruled out and hypoglycemia related. There are many other causes of sweating after drinking alcohol, it is recommended to replenish water in a timely manner, if the symptoms are serious, you should consult a doctor in a timely manner, do not blindly use your own medication.