When I was young my sister told me that aliens lived in the air vents. Every night when the air conditioner came on I was convinced that it was the aliens. I was terrified to sleep at night forever.
A childhood belief about aliens

others believed things like this
- We used to turn our walkie talkies on high at night and believed were communicating with aliens!— Dreamy
- when I was about 7 I thought that aliens hid under my bed. I wouldn'd sleep in my bed for a whole year!— *Rachel*
- I used to be convinced that there were bald-headed beige aliens outside my toilet window.— Phil
- My sister told me that Fraggles lived in our basement. I used to sit down there forever so I could see them. — Suzie
- I totally believed my siblings when they told me the family was aliens and had a space ship in the garage.— cully
- I don't know where I got this from but for a while I thought that aliens were really God. — Heazure