Soreness in the arms after sleeping, the common causes are the following: First, incorrect posture during sleep at night leads to extrusion of the upper limbs of the arms, which can affect blood circulation, resulting in relative hypoxia and ischemia of the arms, and soreness will appear in the morning. Second, it can be seen in the night sleep before too much work during the day, too much exercise, so that the arm muscle strain and metabolic product accumulation, in the night sleep blood circulation is relatively slow, blood pressure is down, the local metabolic product can not be excreted in time, in the next morning up due to metabolic product stimulation, resulting in soreness. Third, there may be cervical spondylosis, and incorrect posture of the neck during night sleep leads to severe pressure on the nerve roots of the upper limbs, which leads to aches and pains in the morning. According to the frequency and severity of symptoms, choose to support symptomatic treatment and rest, and if necessary, go to the hospital for treatment.