Sleeping and waking up coughing without coughing has a variety of reasons, common such as cough variant asthma, gastroesophageal reflux disease, cardiac insufficiency and so on. 1. Cough variant asthma: a special type of asthma, mainly manifested as irritating dry cough, mostly at night and early morning episodes, without obvious wheezing, shortness of breath and other symptoms. It can cause coughing in sleep. 2. Gastroesophageal reflux disease (GERD): a chronic disease in which the contents of the stomach and duodenum reflux into the esophagus, resulting in a series of symptoms. When sleeping in a flat state, the acidic reflux material may reflux into the throat, stimulating the throat and trachea, causing coughing, pharyngeal discomfort and other symptoms. Its can cause falling asleep cough. 3. cardiac insufficiency: a part of patients with chronic cardiac insufficiency, lying down at night will appear to increase the amount of return blood, heart load increases, aggravate the lungs bruises, causing coughing, accompanied by dyspnea, coughing up pink foamy sputum, need to consult a doctor in a timely manner. Sleeping and coughing wake up without coughing for a variety of reasons, should be timely to the hospital, clear cause, under the guidance of a professional doctor, follow the doctor’s instructions for treatment.