I used to think if you had your feet sticking out of the covers when you were in bed a monster could get you and you were safe if you were fully covered by a blanket
A childhood belief about monsters

others believed things like this
- I used to believe that if I farted in bed, a monster would pop out through the covers and tickle me.Anon
- I always had to sleep with my feet under the covers or else speed racer would drive over them.Anon
- I thought the boogey monster was a monster that ate boogers at night in front of youAnon
- I Used To Believe The Monster Beverage/Energy Drink Was Monster Milk!— KellGirl
- When I got my feet measured by the electronic machine, I thought that the machine will squash my feet!— Helen
- We told our little sister that she had a long bushy tail and she fully believed us for ages!!Anon