Rapid heartbeat and panic, affecting sleep, considering the possibility of sinus tachycardia or paroxysmal supraventricular tachycardia, etc., it is recommended to consult a doctor in time. 1. Rapid heartbeat leading to panic is commonly seen in sinus tachycardia, which can be clearly diagnosed by electrocardiography. Physiological causes are mostly seen after exercise, emotional excitement, excessive alcohol consumption, etc., and the normal heart rate can be restored after removing the causes. Pathological causes are often seen in organic heart disease, hyperthyroidism, anemia, etc., should go to the hospital in time to improve the relevant examination to find the cause. 2. Fast heartbeat and panic can also be seen in paroxysmal supraventricular tachycardia, which is a kind of rapid arrhythmia, caused by abnormal heart conduction, and the common cause can be seen in organic heart disease, such as cardiomyopathy, heart valve disease, etc., and can also be seen in the bad lifestyle, such as excessive alcohol consumption, excessive coffee, excessive fatigue, etc., it is recommended that we should seek medical attention to find out the cause in a timely manner. If there is any discomfort in the precordial region such as panic, chest tightness, etc., one should consult a doctor in time to avoid delaying the condition.