Waking up at night and sweating in front of the chest may be caused by physiological factors such as room temperature and so on, and may also be caused by pathological factors such as hyperthyroidism. 1. Physiological factors: waking up at night with sweat in front of the chest is caused by high room temperature, wearing too thick pajamas or too thick quilt, etc. It is recommended to change the pajamas, quilt, keep the room ventilated, and pay attention to replenish water. 2. Pathological factors Hyperthyroidism patients will wake up at night in front of the chest sweating symptoms, it is recommended to give treatment for the cause, such as the use of antithyroid drugs, propylthiouracil and so on, it is recommended that the use of under the guidance of a doctor. Patients with heart disease, such as heart failure, may also experience this symptom and are advised to go to the hospital to find out the cause. Infectious diseases, such as tuberculosis and brucellosis, can also present this symptom. Patients with certain tumors, such as lymphoma and pheochromocytoma, may also experience this symptom. If waking up at night with sweating in front of the chest is caused by pathologic factors, it is recommended to go to the hospital.