Sweating in the middle of the night may be heart disease, such as aortic coarctation, but also does not exclude environmental factors, hormonal changes, hyperthyroidism and other factors, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor to clarify the cause of the disease and then treatment. Usually sweating in the middle of the night may be angina pectoris, myocardial infarction, arrhythmia, aortic coarctation and other heart diseases caused by the patient at the same time there will be a sudden persistent, tearing pain in the front or back of the chest, or tightness in the chest, panic and other discomforts. In addition, sleep in the environment is hot and stuffy, air circulation can also cause, as well as menopause lead to hormonal changes in the body, in the night will appear sweating phenomenon. Hyperthyroidism can lead to abnormalities in the body’s thyroid hormones, which can cause symptoms of fever and sweating. Tuberculosis can also cause night sweats. There are many causes of sweating in the middle of the night, and patients are advised to seek timely medical attention to clarify the cause for treatment under the guidance of a doctor.