When I aas about 3-6 I had two recurring dreams. In one my parents had been turned into daleks (had no idea what a dalek was at the time but must have seem them somewhere), and they were just there speaking to me and I was terrified. In the other I was in the waiting room at the doctors and my mum had turned onto a robot something like the one from Lost in Space and I really wanted her to change back.
Seemingly I had some inexplicable fear of my parents becoming robots* that haunted my dreams for years.
*yes, I am aware daleks are not robots, but to me at the time they were as far as I knew.