The phenomenon of rapid heartbeat and panic at night can be caused by physiological factors and pathological factors, including cardiovascular diseases, endocrine system diseases, mental and psychological diseases. 1. Physiological factors: for example, recent work pressure, study tension, drinking coffee before going to bed, or having nightmares, etc., can affect the night sleep, the phenomenon of rapid heartbeat and panic at night, it is recommended to adjust the rhythm of work and life, and adjust the mind. 2. Cardiovascular diseases: For example, patients with left heart failure experience dizziness, rapid heartbeat, panic attacks, dyspnea and even need to be forced to sit up due to increased vagus nerve excitability at night. Patients with myocardial ischemia may also experience panic, chest pain and rapid heartbeat at night, mostly due to coronary artery spasm, rupture of unstable plaque in the coronary artery and local thrombosis. In addition, other heart diseases such as tachyarrhythmia can also lead to panic at night. 3. Endocrine system diseases: for example, diabetes or insulinoma patients, hypoglycemic episodes will occur at night, resulting in increased heart rate, panic symptoms. There is also hyperthyroidism, which can lead to rapid heart rate and panic at night. 4. Psychiatric disorders: For example, patients with anxiety disorders usually do not sleep well at night and have poor quality of sleep, which may lead to accelerated heart rate and panic attacks at night. All in all, the phenomenon of rapid heartbeat and panic at night, it is recommended to consult a doctor in a timely manner, a clear diagnosis and symptomatic treatment.