When patients experience coughing at night and cannot sleep, they need to find the cause of the cough and choose the appropriate treatment according to the cause, which may be the following: 1. Respiratory diseases: such as lung infections or bronchitis and coughs caused by colds, symptomatic medications need to be given for treatment, such as cough and asthma medications, or cold medications or antibiotics can be used for symptomatic treatment and improve the cough symptoms; 2. Medication factors: there is a class of antihypertensive medications called ACEI that may cause coughs at night and affect sleep. There is a class of antihypertensive drugs called ACEI, which may cause dry cough in patients and may appear to affect sleep with frequent dry cough at night. It may be necessary to discontinue the drug and then give cough medication to treat the symptoms symptomatically and improve them; 3. Central nervous system abnormalities: Central nervous system abnormalities may cause partial dysfunction and a cough reflex, resulting in sleeplessness. In this case, drugs targeting the central nervous system should be given to stop coughing to improve the symptoms. 4. Other factors: mainly environmental factors, such as an overly hot or cold environment, and too much noise, may cause coughing or sleeplessness. In this case, it is necessary to adjust the environment and keep it quiet and dark to improve the symptoms. Some patients may also have psychological factors. Psychological and mental illnesses can cause coughing and sleeplessness. By controlling psychological and mental illnesses, including anxiety, depression and schizophrenia, the symptoms of insomnia caused by coughing can be improved.