After a certain time of day, usually after midnight, the mind takes on an alternate state of conciousness. Speech is slurred and makes no sense. Suddenly, anything is funny.
Kevin: DUDE WALLS ARE HARD
Kyle: Cut the sleepy talk man.
Kevin: The only way I can explain wakeboarding is by telling you it is like wakeboarding.
Kyle: That's like saying green is as green as green.
Dan: Stop the sleepy talk man.