The affects of sleep, alcohol, and other physiological happenings are something that anyone with hopes of being an above average athlete, or anyone truly concerned with their health, needs to take into consideration. Often times peoples opinions muddy the water of the truth behind what it takes to recover, and how much different things can effect that recovery. I highly recommend listening to this discussion start to finish, it has tons of great information and if applied, will yield results in performance, health, and mood.