2-year-old baby in the middle of the night does not sleep, the treatment is as follows: 1, due to the lack of vitamin D or lack of calcium caused, parents need to take the child to the hospital for vitamin D and trace elements of calcium examination, vitamin D deficiency, the child will have food nerve dysfunction, there will be reluctant to sleep. Vitamin D deficiency will affect the absorption of calcium, but also do not sleep or easy to startle, always turn over repeatedly and other phenomena. 2, the need to reduce the daytime sleep time, especially in the afternoon to the evening this period of sleep time, reduce or do not sleep, for the pediatric sleep quality is very important, especially at night, the quality of sleep, the growth hormone secretion at night is particularly good for the child’s growth and development. So in order to ensure that the child’s sleep in the middle of the night is better, if necessary, can reduce the daytime sleep time. 3, need to increase the child’s activity in the daytime, you can let the child running and jumping activities, increase aerobic exercise, is conducive to the child’s sleep in the evening.