When I was little, I was afraid to let my arm (or any other body part for that matter) hang down the side of my bed while sleeping because I thought gremlins would pop out and bite it.
A childhood belief about under my bed

others believed things like this
- I used to believe that when you died no matter what your tongue hung out the side of your mouth. Anon
- I was told that if you sleep on your back you swallow your tongue...I have been sleeping on my side ever since— scotty la
- When i was little i thought that the soul was a physical part of your body that looked like shell pastaAnon
- I used to think the song "Hang on sloopy" was "hang on snoopy"— gina
- I used to believe that if I scratched one side of my body I had to
scratch the other to be "even".— Greg - i used to believe that tha if I had any body part stisking out of the bed it would get me— strait sleeper