I thought that people wore hat in the winter because you lose the most heat through your head. (That's what they used to tell us.) Which makes perfect sense, because there are all those holes in your head where the hair comes out.
A childhood belief about hair

others believed things like this
- I believed that if you ate a piece of your own hair, a new strand of hair would grow on your head.— Ryo
- I use to cover my head at night because I thought monsters would give me a bad hair cut while I was sleeping!— Amy
- I used to believe that my head was filled with hair waiting to grow.— Poppy
- I really believed, underneath her hair, my mom had an eye in the back of her head.— Jessica
- when my daughter was much younger she used to beleive there was nothing but hair in her headAnon
- i used to believe that if you shave your head you could grow any type of hair like curlyAnon