Sleeping with arms stretched upward is mostly seen in infants and children, some adults also have this habit, which belongs to a personal sleeping habits, and there is no good or bad. In the winter or summer air conditioning house if the hands up to sleep, not covered by the quilt may cause arm cold leading to arm pain, so just pay attention to keep warm on. Many people have their own habits when sleeping, some people are used to lying down, some people are used to sleeping on their stomachs, some people are used to sleeping on their sides, some people like to hold something to sleep, this is all personal habits, no need to pay special attention. Patients who have sleep disorders or have doubts about their sleeping posture can choose to go to the hospital for further consultation and correct the bad sleeping habits with the advice and help of the doctor. If there are no other symptoms, no special treatment is needed.