After falling asleep, if there is chest sweating, mainly consider two situations: the first, the so-called menopausal symptoms, also called vegetative nerve disorders, this situation patients are prone to night sweating, mainly in the chest, back sweating. The second, consider cardiovascular disease, if the coronary arteries of the heart appear serious narrowing, then on the basis of coronary artery stenosis can appear at night chest tightness, sweating. This situation is mainly due to the heart surface of the three coronary arteries after the narrowing of the heart, lying down at night under the state of the heart will increase the amount of return blood, increase the burden on the heart, thus triggering the emergence of symptoms of cardiac ischemia. Once this happens, patients should go to the cardiology department of the local hospital for further consultation to determine whether myocardial ischemia is occurring, which can be done by electrocardiography, cardiac ultrasound examination, and so on. If diagnosed with coronary artery disease, then take coronary artery disease antiplatelet drugs, lipid regulating and stabilizing drugs, coronary expansion drugs, nutritive myocardial drugs and so on.