This one isn't about me, it's about my brother. When he was about 8 or 9 his mom told him that if he didn't sleep with his hands and feet under the covers (he had a bad habit of throwing off the covers) they would be eaten by the boogy man.
A childhood belief about monsters

others believed things like this
- I always had to sleep with my feet under the covers or else speed racer would drive over them.Anon
- I used to believe that if i took the covers off at night i would freeze to death.— RockerGirl
- I used to believe that undercover cops hid under covers/sheets. — Holly
- I used to believe that if I farted in bed, a monster would pop out through the covers and tickle me.Anon
- my sister used to tell me that manhole covers were direct portals to hell.— autumn
- I used to believe that if you slept with the covers covering your neck, vampires couldn't bite you. — Moot