Feet and hands at night sleep always fever, commonly due to autonomic nervous system dysfunction; hyperthyroidism; also seen in dietary factors, such as drinking alcohol and so on. 1. Autonomic dysfunction, mostly seen in middle-aged women, often accompanied by distraction, disorganization, insomnia, dreams and other symptoms, sleep at night, feet and hands fever, then you can take oral glutamine, vitamin B1, etc.. 2. Hyperthyroidism, the body metabolism is abnormal, the body’s metabolism increases, releasing too much thyroxine, fever. 3. Dietary factors, such as drinking alcohol or eating too fast and too hot, blood circulation increases or the body produces heat, which can easily lead to fever in the hands and feet while sleeping. Prolonged night sleep hands and feet fever, should promptly go to the hospital to find out the cause.