Children who wake up at night often wake up during nighttime sleep and cannot sleep continuously throughout the night because they fail to establish a nighttime sleep and daytime wake-up pattern, and this is a common sleep disorder in childhood, which is most common in children aged 1-2 years old. As parents have to consume 1-2 hours every night to take care of the children who wake up in the middle of the night and try to make them fall back to sleep, it brings great trouble and uneasiness to parents. Clinical manifestations: 1. Unable to sleep continuously at night, easy to wake up, 2-3 times in mild cases, 4-5 times in severe cases. 2.Waking up is accompanied by crying and restlessness. 3, some children sleep day and wake up at night, sleep rhythm reversal, some do not want to go to bed, ask for holding sleep or want to listen to stories. Treatment: 1, parental counseling. 2.Behavioral therapy. 3.Establish a good sleep environment.