here is my view on sleep. I used to be a PSYCHO about sleep. I mean if i didn't get my eight hours in than i was ready to hurt somebody. and it was right in the middle of my college fb career so i missed a lot of fun stuff such as parties and things because i was so damn psychotic about sleep.
then about 1-1/2 to 2 years ago i develop some sleeping problems. my mom has always had sleeping problems since i can remember and i must have inherited some. nothing major just serious problems falling to sleep. once i finally got to sleep i was fine. i went from getting between 8-9 hours of sleep a night to getting 6 or less.
i tried everything i could think of (sleeping pills, melatonin, yoga before bed) short of doctor prescribed stuff (no insurance). i was in major stress mode for about two months. worrying about it all the time and shit. then i noticed that it didn't really have any effect at all on my workouts or my recovery. it didn't really have any effect on anything besides being a little more groggy n the morning.
i've started to get a little better and have been sleeping more but still not as much as i used to. one night of less sleep is not going to hurt you, one week isn't, even one year might not. like the guy said above it's all about attitude. the human body and mind are incredible machines and the mind is always stronger.
i wouldn't change a thing. i would hit the gym, NOT reduce the volume, not do a damn thing differently but make yourself go harder. don't treat your body like a baby and it won't act like one.