Premature beats are more severe at night and better during the day. It is recommended to go to the hospital as soon as possible for treatment, which may be related to the primary disease, and need medication for the primary disease and premature heart beats. Premature beats are more severe at night and less severe during the day, which may be related to the patient’s primary disease, such as the presence of heart failure, the symptoms of heart failure worsen at night when lying down, premature beats are more frequent. It can also be seen in patients with chronic obstructive pulmonary disease (COPD), which is characterized by increased stridor when lying down, leading to frequent premature beats. Therefore, it is recommended that patients go to the hospital as soon as possible to identify the primary cause of the disease and treat the primary disease. Frequent premature beats at night is also prone to cause malignant arrhythmia, long-term will also aggravate cardiac insufficiency, so go to the hospital as soon as possible, for premature beats to give antiarrhythmic drugs, such as metoprolol, amiodarone, lidocaine, propafenone and so on. Usually develop the habit of going to bed on time, less stay up late, don’t drink too much water before going to bed, and drink less coffee and strong tea. The presence of heart discomfort symptoms, to go to the hospital cardiovascular department as soon as possible to consult the treatment.