There may be various reasons for the panic and difficulty at night, as follows: First, for paroxysmal tachycardia at night, such as paroxysmal supraventricular tachycardia can occur when the panic and difficulty. At this time, it is necessary to pay attention to whether the hemodynamic stability, for hemodynamic instability, it is necessary to give timely treatment such as electric cardioversion. For the night panic, difficult to feel, may be due to myocardial ischemia caused by myocardial cells electrical activity disorders, common in patients with variant angina, due to the spasm of the coronary arteries, can be given prophylactic use of Diltiazem, Nicorandil and other drugs. The patient may be given prophylactic diltiazem, nicorandil and other drugs for symptomatic treatment. Third, for patients with poor cardiac function at night, they may also experience panic and uncomfortable symptoms, and it is recommended to give standardized anti-heart failure treatment and symptomatic treatment, such as oxygenation and other measures.