Imagine; it is 10:00 at night and you are getting ready for bed. You hear your child, who you put to bed about two hours before, screaming in their bedroom. When you enter the room, your child is sitting up in the bed thrashing their arms and legs wildly, still screaming and crying. You assume that they have had a nightmare and you embrace them to calm them down. To your surprise, your child does not seem to calm down and does not want to be held. In fact, your child does not even seem to be aware that you are there with them. …
