Newborns sleep a shock a shock hand shaking need to clarify the cause of the symptomatic treatment, may be the startle reflex, shock, calcium deficiency and other reasons, startle reflex does not require special treatment, shock can be improved to pacify the baby, calcium deficiency requires the use of calcium carbonate and other drugs. 1. startle reflex: generally newborns brain nerves are not yet well developed, easy to sleep during the hand shaking or body shaking and other symptoms, belongs to a normal reaction, with the physical development of the symptoms will slowly disappear, do not need treatment. 2. Fright: It may be caused by objects falling down or family members talking loudly to frighten the baby, which may cause the body to appear a shock and the symptoms of hand shaking. You can use your hand to gently pat the baby or pick him up to comfort and relieve him, which will help to eliminate the baby’s restlessness and trembling symptoms. 3. Calcium deficiency: Calcium deficiency will make the baby’s body sleep easily wake up, night sweats, hand shaking and other symptoms, you can follow the doctor’s instructions to supplement vitamin D and other medications. The newborn sleeps with a startled hand shaking suggests early consultation to clarify the diagnosis, for targeted treatment.