If you wake up in the middle of the night with chest pain for no reason, you must consider the following two situations: 1. If, in addition to chest pain, there are also symptoms such as chest tightness, palpitations, dizziness and weakness of the limbs, then the possibility of acute heart disease is highly suspected, commonly acute angina pectoris or acute myocardial infarction. This situation should immediately go to the hospital to do electrocardiogram and blood troponin to confirm the diagnosis, if the diagnosis is acute myocardial infarction, must immediately give thrombolytic therapy or interventional surgery. 2, if there is no chest tightness, palpitations and other symptoms, the pain is more related to the thoracic activities, it may be sleeping on your back, or sleep by limbs and other Compression, and the soft tissues of the chest caused by local ischemia, and caused by ischemic pain, this situation local hot compress or get up and move a little to promote local blood circulation, the symptoms can soon be relieved.