When I was young, I was always scared to go to use the washroom because of the song 'Santa Clause is Coming to Town'. Why?
"He sees you when you're sleeping, he knows when you're awake..."
I figured that if he could see you when you were sleeping, he could also see you in the washroom. Pathetic, I know.
A childhood belief about fear of

others believed things like this
- I believed that Santa Clause lived on the moon. I mean how else could he see you when you was sleeping? — danger101
- I thought if I left the door open too long, a dog would come from the cupboard in the washroom and eat me
Anon - I belived that santa came every night to se if i was sleeping— david
- i used to believe santa clause was god, and i prayed to him— chelsea bann
- When i lived in texas i believed the UPS guys were Santa Clause— Lauren
- Until i was 8, I believed that, If you didn't have a chimney, Santa Clause would come in through the toilet.— Maya