My older brother told me when I was a child that if a dog sleeps with his legs straight that he was dead (stiff I suppose). Even though now I'm an adult and know how preposterous that is, I still gasp with fear if I see a dog napping straight-legged.
A childhood belief about cats and dogs

others believed things like this
- I used to think making straight A's in school was literally writing A's straight. Anon
- My older brother told me that speed bumps were really dead people covered in cement.— Trina
- I used to think that if I told even one little whhite lie, I would go straight to hell.— Debbie
- if you eat toothpaste straight from the tube, you will get worms— wormelow
- that the money I gave at sunday school would go straight to God.— christine
- I used to believe that the heat from the furnace came from hell, and that it was a straight drop there.Anon