Idk how to describe this, but light fantasy or sci fi stories that take place in only one person’s life?

I’ve been more of a movie person most of my life and am wanting to read more books. 4 of my favorite movies are The Truman Show, Stranger Than Fiction, Groundhog Day, and Eternal Sunshine of the Spotless Mind. The thing they have in common, at least in my mind, is that the world is [...]