The first thing to consider is that the symptoms are related to cardiac insufficiency and respiratory diseases. 1. cardiac insufficiency: this symptom may be related to cardiac insufficiency, in the original hypertension, coronary heart disease or heart valve disease, as well as cardiomyopathy, infarction and other cardiac diseases on the basis of cardiac enlargement, cardiac systolic or diastolic weakness and other conditions, there may be chest tightness and shortness of breath, lying down and feeling gasping up to sit down better symptoms. 2. Respiratory diseases: patients with cough variant asthma, bronchial asthma, lung inflammation and other respiratory diseases, due to a strong inflammatory response, inflammatory secretions in the airway will increase significantly, airway obstruction caused by dyspnea symptoms, but also caused by the patient to feel gasping for breath when lying down, you need to sit up in order to get relief. If the symptoms are not relieved or continue to aggravate, it is recommended to consult a doctor in time, complete the relevant examinations, clarify the cause of the disease, and treat the cause in order to avoid delaying the condition.