Sore and painful arms can not sleep may be related to physiological reasons and pathological reasons. 1. Physiological reasons: it is possible that too much exercise recently, such as carrying heavy objects or lifting weights for a long time, will make the arm discomfort, resulting in a feeling of soreness and pain. 2. Pathological causes: It may be related to muscle strain leading to aseptic inflammation, cervical spondylosis and frozen shoulder. Daytime work or excessive exercise leads to arm strain, inflammation, arm will be sore and intolerable; cervical spondylosis compression to the nerve may be hand pain, soreness and other discomfort; frozen shoulder is a chronic strain, sleep at night, arm pain will be aggravated. If the above symptoms occur, it is recommended to visit the hospital in time to identify the cause of the disease and give treatment.