If a patient has trouble sleeping with an accelerated heartbeat, the following points should be considered: First, endocrine metabolic disorders should be considered. In cases of hyperthyroidism, hyperparathyroidism, and hyperadrenalism, there will be tachycardia accompanied by trouble sleeping. Second, if the patient has a previous history of diabetes, this clinical manifestation will also occur if there is a hypoglycemic reaction at bedtime. Third, for cardiogenic diseases, such as coronary heart disease, arrhythmia, myocarditis, heart failure, there will also be sleeplessness, tachycardia, but usually accompanied by chest tightness, shortness of breath, dyspnea clinical manifestations. Fourth, respiratory system diseases, commonly seen in chronic obstructive pulmonary disease, chronic pulmonary insufficiency, or patients with pneumothorax due to various factors, will also have this symptom. Fifth, if the patient has endocrine disorders, or plant nerve dysfunction, such as cardiac neurosis, there will also be this symptom.