You have a dry cough at night and are unable to sleep. The first step is to find the cause of the dry cough for targeted treatment in order to effectively relieve the dry cough symptoms. For example, the most common cause of dry cough at night is cough variant asthma, which can be relieved by nebulized inhalation of bronchodilators and glucocorticoids, such as terbutaline sulfate and budesonide, before going to bed because of the spasm of bronchial smooth muscle. If acute laryngitis occurs, resulting in a strong dry cough and inability to sleep, anti-inflammatory drugs and cough medicines should be used, such as anti-inflammatory drugs can choose busulfan anti-inflammatory oral liquid, cough medicines can choose fenugreek syrup, if adults, you can also use compound licorice combination, for the treatment of dry cough effect are relatively good. In addition, it is also possible that the infection of Mycoplasma pneumoniae causes pneumonia and bronchitis. Before going to bed, you need to use cough suppressant and expectorant drugs, such as Ambroxol Hydrochloride and Ambroxol Oral Solution.