If your child wakes up crying or screaming in the night, it could be due to a nightmare or a night terror. But how do you tell the difference? Nightmares typically happen during REM sleep. Your child can be woken up and calmed down. He may be able to remember what the dream was about. Once he is calm and feels secure, sleep should return pretty quickly. Night terrors are a bit different. They are more dramatic and typically occur during deep, non-REM sleep. Our daughter, Catherine, had Continue Reading