What if there is a certain amount of people who can sleep at one time, lets say 500. What if when you're up late at night and can't sleep its because you're on a waiting list to get a sleeping spot. Weird.
What if you're dead right now and your whole life is flashing before your eyes?
What if we live in the Matrix, and when you have deja vu, its because the computer has already programmed our life, and we are just getting flashes of it before it happens, and its a glitch they haven't fixed yet?
Just some thoughts to keep you up at night.