When I was about 5 or so, I used to think that when people went to sleep they stopped breathing. So whenever I would pretend to be asleep I would hold my breath for as long as I could.
A childhood belief about sleeping

others believed things like this
- If you hold your breath and make a wish under a highway tunnel it will come true....I still hold my breath :)— aj
- I still hold my breath when I pass by cemetaries because it is impolite to breathe when other people can't.— Crystal
- When I was a child, I used to believe that when we slept, we stopped breathing.Anon
- when i was a little kid. i used to think that when u hold ur breath ur heart stops.. LOL :P — Annonymus
- If I pretend to sleep the ghost won't eat me
Anon - When I was a kid I thought babies where made when people hold hands and kissed nude...— Ryan