I. Non-organic insomnia Clinical manifestations include difficulty in falling asleep, tossing and turning at night, shallow sleep, excessive dreaming at night, easy to wake up and fall back to sleep after waking up, early waking, etc. Insomnia can be manifested in any of the above forms, or several conditions can coexist. Second, non-organic narcolepsy The main clinical manifestation is daytime dozing, especially in quiet places more easily and soundly asleep, while previously the patient’s nighttime sleep often did not decrease. Excessive sleep can cause memory loss, impair cognitive and social function, and may also be accompanied by depressed mood. Non-organic sleep-wake rhythm disorder The clinical manifestation is that the patient’s sleep-wake rhythm does not match the social requirements of the environment or the rhythm followed by most people around him/her. Patients often have anxiety or fear, which affects social function. Sleep walking disorder Sleep walking disorder, also known as sleep walking disorder, sleepwalking disorder, refers to children who suddenly get up during sleep and walk on the floor at night. This disease is characterized by walking in sleep. The child may get up from bed and not go down to the ground, with dull eyes, doing some stereotypical and aimless movements, and then lie down on his own after a few minutes and continue to sleep. Some get out of bed and walk around indoors and outdoors, and sometimes do some purposeful activities. It is difficult to wake up during the seizure, and forcible awakening often results in confusion and complete amnesia afterwards. The patient’s activity may end on its own and he/she may return to bed, or he/she may wander aimlessly to a faraway place and wake up the next day and be surprised to be in a different place. Sleep panic disorder, also known as night terrors, refers to the sudden startling of children from sleep, accompanied by anxiety and autonomic symptoms. The clinical manifestation is that the child suddenly wakes up from the first 1/3 of the night (0.5~2 hours after falling asleep) during the deep sleep period, often accompanied by screaming, crying and agitation. The child is sweating profusely, pupils are dilated, pulse and breathing are accelerated, and sits up in bed or walks on the floor with a frightened expression. No matter how the parents try to hug and soothe the baby, the baby continues to cry and fidget for about 10-15 minutes, with increased muscle tone and resistance to any physical contact. When forced to wake up, the consciousness may seem confused and incoherent, but soon falls back to sleep and the next morning has no knowledge of what happened last night. Nightmares Nightmares, also known as dream anxiety attacks, are dream experiences characterized by terror and anxiety, which the patient can recall in detail afterwards. The clinical manifestation is a frightening sight or life-threatening event in children’s sleep, such as falling from a cliff, being chased by a monster, etc. The dream scene makes the child very nervous, anxious, rapid heartbeat, sweating, pale face, relaxed muscle tone, etc. The child feels immobilized, wants to escape but cannot run away, moaning, or even screaming, at this time the child is easily awakened, and after waking up, orientation quickly recovers, and the child can clearly recall the dream. The child can clearly recall the dream.