If the patient has panic attacks, palpitations and rapid heartbeat during sleep, there are both physiological and pathological factors. 1. For physiological reasons, for example, the patient will have clinical symptoms and performance after drinking a lot of strong tea or coffee, smoking or drinking a lot of alcohol before bedtime, which is usually directly related to increased sympathetic excitability and excessive sympathetic hyperactivity. 2. In addition, for pathological factors, the most common factor is plant nerve dysfunction, especially in patients with cardiac neurosis, which is aggravated at this time. 2. 4. If the patient has endocrine metabolic diseases, such as hyperthyroidism and hyperadrenalism, this symptom will also occur.