Dreams are the poop demons eating your soul
I dunno what dreams are, I usually dream really groggy but it feels real. It probably is just a tactic to keep yourself asleep, and since you dream about trivial real things, it's a way to categorize a bit.
It's like watching TV four hours straight when you're feeling down. It's a way to keep you down for a while, and learn something from the dreams. And since none of your dreams actually do anything to help you if you don't analyze what it means, it's strikingly similar to TV. And besides, when you have a weird dream, it's just like the TV networks trying out a crappy new show that gets pulled two episode in.