REM Sleep Behavior Disorder is a fascinating experiment in nature. Individuals can act out their dreams -- occasionally with potentially violent or injurious consequences. Many patients adopt self-protective measures such as tethering themselves to the bed, using sleeping bags or pillow barricades or sleeping on a mattress in an empty room.
When I was a little kid, I used to get nightmares. Sure, I started out completely convinced that monsters hid under the bed. Of course watching Creature Features was a bad idea. Yes, listening to stories in the dark, at sleepovers or on family vacations frightened me. I was a kid -- and so were you.