United Kingdom, Jan. 7 -- Sydney Sweeney believes she was friends with a ghost.

The Housemaid actress had an imaginary pal when she was a child but "creeped out" her mom when it emerged the person she was seeing in the playground had died years before.

She told W magazine: "I think I've seen a ghost. When I was little, I used to have an imaginary friend. He would be on the playground at preschool. I would tell my mom about him. It turns out that he was someone who passed away before I was born! It creeped my mom out."

Sydney also claimed she is in control of her dreams when she is asleep.

Asked if she remembers her dreams, she said: "Recently, no. I don't even know if I'm dreaming anymore.

"I used to be a really vivid dreamer. I used...