When I was little I slept for like a day and a half and had a weird dream that made me think i couldn't go to sleep or I'd never wake back up again.
A childhood belief about sleeping

others believed things like this
- I used to only sleep on my back because I thought I would break my ribs if I slept on my stomach.— Molly
- I used to think that life was all a dream and one day i would wake up like a 75 year old woman.( who knows?)— 8 with wrinkles
- I thought that life is a dream and when you die you wake up (maybe it's true who knows?)— Naos
- I used to believe that my toys would wake up when I went to sleep, and would play by themselves.Anon
- I used to believed that when I went to sleep my heart took a rest too, and didn't pump at all while I slept.— Lara
- I used to believe that I couldn't pass by the cemetery at night because the dead people would wake up.— Marcos Carvalho