My brother used to believe that if he didn't fall asleep by 12 o'clock, a vampire would come up from under his bed and bite him. The bite would give him nightmares that night.
A childhood belief about under my bed

others believed things like this
- One time my brother asked my mom why mosquitoes bite. She said it was because children are bad.— sue
- Mom told us that if we didn't eat every single bite of our veggies at dinner time, we'd get colon cancer.Anon
- when i was a kid, i used to think that if i didn't fall asleep, morning wouldn't comeAnon
- I used to believe that eating chicken skin will give me nightmares.— zihui
- I used to believe my mom kept a lizard in her purse that would bite me if I got into it.Anon
- I used to beleive if a bug were to bite you, you would become a giant bug.Anon