When the child is deficient in calcium, it will cause increased nervous excitability, which will lead to easy awakening and crying at night. This situation will be relieved after giving vitamin A, vitamin D and calcium supplements and getting more sunlight to improve calcium deficiency. In addition, pay attention to whether the child has adenoid hypertrophy, allergic rhinitis, etc., will be suffocated by breathing difficulties and wake up at once, crying and restless, it is recommended to go to the hospital professional treatment. In addition, the environment where the child sleeps, such as too noisy, noisy, or recently frightened, can also make the child sleep poorly, wake up easily, and be afraid. Therefore, before going to bed at night, you should reduce excessive activities, improve the sleeping environment, do not reprimand or scold the child, listen to relaxing and soothing music before going to bed, do not let the child laugh excessively or listen to very exciting stories, parents can lie next to the child and gently caress and massage the child to give a sense of security until the child falls asleep.