The first reason for this situation is that the child’s nervous system is not mature enough to develop. In addition, you need to pay attention to supplementing vitamin D and calcium, such as Icocin, pediatric DiQiao granules, oyster calcium carbonate granules, etc. Pay attention to more sunshine to promote calcium absorption, pay attention to the night must ensure that the baby eat enough, not hungry. If there is hunger or tummy discomfort, it will also lead to the baby sleeping restlessly and difficult to sleep. Pay attention to massage the baby’s abdomen more often. If there is colic or intestinal spasm, the baby will also have this tummy discomfort and difficulty in sleeping peacefully. It is advisable to have a doctor check and see to rule out these potential diseases.