The reasons that cause children to always sleep with a shiver include the following: First, the symptoms caused by children suffering from calcium deficiency. Children due to rapid growth and development, not timely supplementation of vitamin D will have vitamin D deficiency rickets, will cause hypocalcemia, this time children will always appear at night a shaky situation, need to give children timely calcium supplementation treatment. Second, caused by the immaturity of the child’s brain development, is the most common cause of children always sleep with a shaking. In addition, if a child has epilepsy, there are abnormal discharges in the brain will appear epileptic waves, which will also cause the situation of always shaking when sleeping.