Humerus fracture according to the fracture when sleeping need to immobilize the arm, the upper limb padded high. Humerus fracture can be treated conservatively if the fracture is not displaced, suspended with a triangular towel for 6 weeks, with a brace to protect the upper limb at night when sleeping, sleeping with the arm elevated, is conducive to blood reflux, conducive to the reduction of swelling, to avoid twisting the arm caused by the fracture is displaced. If the humerus fracture has displacement or comminution need to take surgical treatment, incision reduction internal fixation surgery or closed reduction intramedullary nail fixation surgery, sleeping posture after surgery, you can put the arm on both sides of the body, if the side lying, choose the healthy side of the lying position, the arm is placed on the top, to avoid the arm pressure. Sleeping after humerus fracture chooses different sleeping positions according to the degree of damage and treatment of the fracture.