In general, sleep always feel tongue blocked, may be due to congenital tongue hypertrophy, may also be due to obesity, jaw retraction deformity and so on. 1. Congenital tongue hypertrophy: part of the population’s tongue is hypertrophied since birth, tongue hypertrophy will occupy a larger position in the oral cavity, which in turn causes the tongue always feel blocked to breathe in the case of sleep. 2. Obesity: Generally, the subcutaneous fat in the throat of obese people is rich, and when they sleep, the muscle relaxation leads to the compression of the airway, which leads to the situation that the tongue is always blocking the breathing, accompanied by the phenomenon of snoring. 3. Mandibular retraction deformity: this disease can be caused by mandibular retraction so that the root of the tongue falls back, so there is always a feeling that the tongue is blocking the breath while sleeping. Other conditions can also lead to the feeling of tongue blocking breathing, it is recommended that the patient consult a doctor in time to clarify the cause of the disease and then carry out the corresponding treatment under the guidance of the doctor.