why does my son have night terrors?
Night terrors occur during Stage 4 Deep Sleep, or during the transition from Stage 4 to REM Sleep. In other words, during a night terror, the person is actually asleep â according to his brain waves â even if his eyes are open. In fact, most of the time the person has no recollection of the terrors. More: ADHD Is So Much More Than Bad Behavior. The cause of night terrors Night terrors can occur at any age, but small children seem to suffer from them most frequently. In fact, up to 15 percent of kids reportedly experience at least one night terror, says Dr. Markham. Scientists think night terrors may be caused by over-arousal of the central nervous system, which regulates brain activity.