I used to beleive that you could catch yourself sleeping if you woke up fast enough.
A childhood belief about sleeping

others believed things like this
- I used to believe that the sun didn't rise until i woke up— Ashley
- I use to believe that kissing your elbow would make you change your sex when you woke up the next day.— Chuck
- I uesd to believe that the world was just someones dream and that when they woke up we would all disappear.— tigga
- when i was 4 i believed i could breathe under water, one day i decided to try it and woke up in the hospital!Anon
- I used to think that teachers lived in school and they slept there and just woke up to teach us.— tammy
- i used to think that when a fish floated to the top it was sleeping.— Kriket Evens