Wake up in bed quilt surface will be wet mainly consider physiological factors and pathological factors. Physiological factors include environmental factors, emotional excitement, etc.; pathologic factors include infectious diseases, hyperthyroidism and so on. 1. Physiological factors (1) Environmental factors: If the ambient temperature is high, the body temperature will rise and the amount of sweating will increase, which will be manifested as the surface of the blanket will be wet when you wake up from sleep. (2) Emotional excitement: when the patient is emotionally excited, the sympathetic nerve excitement will also increase sweating, and the surface of the blanket will be wet when the patient wakes up from sleep. 2. Pathological factors (1) Infectious diseases: when infected with bacteria, virus, tuberculosis, etc., patients will have night sweating (abnormal sweating after going to sleep and stop sweating after waking up), and the surface of the quilt will be wet when they wake up from sleep. (2) Hyperthyroidism: at the onset of this disease, due to excessive secretion of thyroid hormones, the body’s metabolism increases and sweating increases, which is manifested in the symptoms of waking up with a wet blanket surface. If the surface of the blanket will be wet when you wake up, and accompanied by symptoms of general discomfort, you should consult a doctor in time, and actively treat the disease, so as to avoid delaying the condition.