The usual causes of waking up in the morning with a cough are: colds, chronic bronchitis, sinusitis and so on. 1. Colds: they are usually caused by a cold night’s sleep. The body’s immune system decreases, so that the virus invades the body, resulting in nighttime sleep, inflammatory secretions in the respiratory tract increase, and then wake up in the morning inflammatory secretions stimulate the throat area caused by coughing. 2. Chronic bronchitis: chronic non-specific inflammation of the trachea and its surrounding tissues, patients with cough and other symptoms are usually more pronounced in the morning, accompanied by coughing up sputum and other manifestations. 3. Sinusitis: nasal secretions increase due to inflammation, which in turn produces a cough. 4. Other reasons: for example, the indoor environment is too dry or drooling and choking the windpipe, can also cause the symptoms of waking up in the morning cough. In short, there are many reasons for waking up coughing in the morning, and it is necessary to analyze the specific problems and deal with the symptoms.