Some of them are caused by waking up after sleep, which is a psychological factor, and the patient can observe the physical reaction after stabilizing his emotion. Some of them are caused by physical factors, some patients are hypotensive or weak and have poor plant nerve function, so when they get out of bed and walk immediately after waking up, the blood supply to the body is insufficient due to the change from lying position to upright position, resulting in relative ischemia of the body and panic and discomfort, in this case, patients can first lie down and rest for 2-5 minutes after waking up, then change from lying position to sitting position, rest for a while and then walk upright. Walk. There are also patients who are pathological, such as arrhythmia, coronary heart disease, heart failure, or patients with basic lung disease resulting in poor lung function, due to the change of position caused by the relative ischemia of the body, the symptoms of panic and chest tightness, this situation requires specific treatment for specific causes.