Introduction. Many children experience nightmares and night terrors, but most grow out of them. They don't cause any long-term psychological harm to your child. Adults may recall a dream fragment they had during the sleep terrors. Also, nightmares generally occur in the last half of the night, while sleep terrors occur in the. Night terrors are a form of sleep disorder in which a person partially awakens from sleep in a state of terror. They seem to be a little more common among boys. In some cases, therapy is helpful. They can also occur after taking certain types of medication, such as antidepressants. It is rare for night terrors to persist beyond the age of Night Terrors is a new breed of immersive entertainment.