The dryness of the throat after waking up from sleep, which can be recovered after about five minutes, is considered to be related to environmental factors, upper airway stenosis, diabetes and other factors. 1. Environmental factors: Occasionally, the throat is dry and uncomfortable after waking up from sleep, and it can be recovered in a short time. It is considered to be related to environmental factors, such as the environment is too high and dry, which leads to the dryness of the mucous membrane of the pharynx, and the symptoms can be improved after waking up. 2. Upper airway stenosis: patients with snoring during sleep, open mouth breathing, air flow does not pass through the nasal filter heating and moisturizing, which may cause dryness of the throat, after waking up in the morning after breathing through the nose, appropriate drinking water, swallowing movements, the symptoms can be relieved. 3. Diabetes mellitus: in diabetes mellitus, too much glucose in the blood leads to an increase in the osmotic pressure of plasma, which can cause osmotic diuresis. Increased urination stimulates the hypothalamus center that controls thirst, causing the patient to be thirsty. The thirst can be gradually reduced by proper hydration after waking up. Waking up with a dry throat, it is recommended to pay attention to life, diet, environmental care, and if necessary, to the hospital ENT department to clarify the cause of treatment.