As a child, I never slept by myself in my own room. I had to call my mother to sleep with me or I went to her room.
Why?
I had a phobia that Batman would appear at the foot of my bed at night.
A childhood belief about monsters

others believed things like this
- I used to believe the living room furniture would party after we all went to sleep.— Ellen
- When I was a child I used to believe that the things in my room became smaller but it was me who was growingAnon
- When i was younger, i used to believe that the hanger in my room became a witch every night.— Laura
- I believed that the pictures on my nighties came alive at night and played in my room while i was asleep!!Anon
- 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 believed that when I went to sleep my heart took a rest too, and didn't pump at all while I slept.— Lara