Just experienced  hypnagogic hallucinations after a nightmare right now and

Ruby

I am freaking out! Is this normal during pregnancy it took me about 5 minutes to realize I was awake. Scary. I woke up and saw my son walk into the room from his room, door opening and all... well when I came to, the door wasnt open and my son was still in his room. Now I cant sleep. I know dreams are most vivid while pregnant... but this? Hell no