Causes children to sleep at night to move the reason, mainly includes the following situations: 1, due to cover the quilt is too thick. Due to the high metabolic rate of children, if parents cover children according to the thickness of their own quilt, it will cause children to be very hot, involuntary movement, children will have obvious sweat at this time, you need to reduce the thickness of the quilt. 2, due to children suffering from vitamin D deficiency rickets symptoms. After the occurrence of vitamin D deficiency rickets, it will cause the night sleep is not solid, accompanied by head sweating more and pillow baldness and other symptoms.3, if children have gastrointestinal tract discomfort, it will also cause the night time sleep constantly moving, and intestinal sound hyper, can give children apply probiotics, such as mamma love to alleviate.