Sleeping without coughing waking up coughing may be caused by lung infection or allergic cough. Sleeping without coughing woke up coughing, may be caused by lung infection, sleep on the trachea stimulation is small, wake up after the increase in activity can be caused by coughing, or previous lung infections, the trachea and bronchial mucosa caused by damage, and then coughing, called the post-infectious cough, need to consult a doctor for examination in a timely manner. In addition, it may also be caused by allergic cough, due to waking up after contact with allergic objects, such as willow, resulting in airway hyperreactivity, and then coughing symptoms, the need for timely antihistamine treatment such as loratadine, etc., and to do a good job of self-protection, but the specific causes of the disease and the application of drugs need to be timely to consult a doctor, in accordance with the doctor’s orders for examination and treatment.