What is the creepiest shit that has ever happened to you

What I was 6 I always feel like somebody's watching me and I always used to see things I was thought it was my imagination but it kept happening so I became really easy the thing I seen the most was this girl hanging up on the ceiling or in the corner of my room she has long black hair on her face and a white dress should always just watch me it was really creepy I stop seeing her maybe when I was 8 by still feel like sometimes something's watching me it's really creeping