There's an expression, deja vu, that means that you feel like you've been somewhere before, that you've somehow already dreamed it or experienced it in your mind.
Neil GaimanI like horror, but I tend to like it as seasoning. I'd get very bored if I was told I had to write a horror novel. I'd love to write a novel with horror elements, but too much, and it doesn't taste of anything else.
Neil Gaiman