9-year-old children have difficulty falling asleep, usually for the following reasons: 1, too excited before bedtime, such as watching a stimulating TV, video, novels and other situations, easy to fall asleep, this situation is mainly to avoid children too excited before bedtime, you can drink a cup of hot milk before bedtime, to help the depth of sleep. 2, some of the children have difficulty falling asleep and daytime sleep too much, can only reduce the child’s daytime sleep. 3, there are also some children have difficulty falling asleep, there may be disease factors, such as respiratory sleep disorder, then you should see the ENT clinic or pediatric sleep and breathing specialist clinic. 3, there are also some children have difficulty falling asleep, there may be disease factors, such as respiratory sleep disorders, then you should see the otolaryngology clinic or pediatric sleep and respiratory specialist clinic.