Sleeping palpitations and panic may be related to low blood sugar, mental stress or excessive anxiety, and cardiac arrhythmia. 1. Hypoglycemia: If the patient eats dinner too early or has an irregular diet, it may lead to the symptoms of hypoglycemia at night, which in turn produces the feeling of panic and palpitation. 2. Mental stress or excessive anxiety: recent mental stress or excessive anxiety, and triggered by anxiety or neurasthenia and other diseases, sleep will also be palpitations and panic, which may be accompanied by the phenomenon of not being able to sleep well. 3. Arrhythmia: Arrhythmia refers to the change of heart rhythm due to various reasons, irregular heartbeat, too fast or too slow, common premature beats, tachycardia, etc., thus appearing the symptom of palpitation and panic during sleep. If patients experience palpitations and panic attacks during sleep, it is recommended that they go to the hospital to find out the cause of the problem and receive targeted treatment according to the cause of the problem.