When arrhythmia affects your sleep, you should consult a doctor to find out the cause of the arrhythmia and receive timely anti-arrhythmic treatment. Arrhythmia is a more common form of arrhythmia, which is an abnormality in the rhythm of the heart, and may cause palpitations, chest tightness, fainting, dizziness, and other uncomfortable symptoms during an attack. The factors leading to arrhythmia are not clear, and can be related to metabolic abnormalities, cardiovascular organic diseases, and poor dietary habits. When arrhythmia is serious, it can affect sleep. In such cases, one should consult a doctor in time, and investigate ECG, cardiac ultrasound, blood routine, electrolytes, etc. to identify the cause of the disease and then treat the cause of the disease. You should pay attention to rest, monitor your heart rhythm, eat a balanced diet and keep a good attitude.