Sleeping with hot feet may be related to diet, psychiatric factors, menopausal syndrome, sleeping with too thick a blanket, and hyperthyroidism. 1. Diet: Eating too much spicy and stimulating food before going to bed at night can affect the nervous system and sweat glands, which can lead to hot feet while sleeping. 2. Mental factors: excessive mental tension, anxiety and irritability will affect the central nervous system and induce autonomic dysfunction, when the nervous system is abnormal, it can not regulate the temperature and sensory ability in time, and there will be fever in the feet when sleeping at night. 3. Menopausal syndrome: if there is irritability, insomnia, night sweats, menstrual disorders and other adverse reactions, may be entering menopausal syndrome, by the body’s endocrine effects, the patient will sleep with hot feet. 4. Sleeping quilt is too thick: If the bedding is too thick at night, it will make the body produce too much heat and lead to hot feet. 5. Hyperthyroidism: when the thyroid gland secretes too much, the body’s metabolic rate will be accelerated, so the patient will have hot hands and feet. After eliminating the physiological causes, if there is any discomfort, you should consult a doctor in time.