My family used to tell me that if you played in the campfire, you would wet your bed at night.
Never actually happened, but I was VERY careful to use the restroom before I fell asleep.
A childhood belief about weeing and pooing

others believed things like this
- I believed that the pictures on my nighties came alive at night and played in my room while i was asleep!!Anon
- i used to think when i fell asleep spiders would capture me and eat me.— SPIDERMAN
- I used to believe that if I fell asleep in the bathtub I would wake up in the sea.— Brenda
- I used to believe that if I fell asleep lying on my front that my boobs wouldn't grow. And they didn't.— Booey
- I used to think that the martians, played in the park at night— Erick Reinoso
- I used to believe the rain drops that fell from my roof at night were shooting stars— Kay