Turns out sitting behind the DM screen is just like anything else: The last couple hours of awake time the night before its due is a terrible time to get started. I've still gotta stat out my homebrew creatures and the villainous henchmen for the big fight tomorrow. Also maps are needed. And I still haven't figured out A) how to run a skill challenge and B) if what I've got planned is actually a skill challenge or not.
Well, good thing I don't have to get up uncomfortably early to spend 8 hours at a soul-crushing job before taking part in a form of entertainment that I just voluntarily turned into a non-paying jo… Oh wait, that's exactly what's happening.