The time of night when you can't decide if it would be worth it to go to bed or to stay up to see the next day's woot.
Dude #1: Aren't you going to bed yet? It's late and you have a 8am final tomorrow.
Dude #2: Na, I'm waiting for the woot to change!
Dude #1: Gawd, not the dreaded woot conundrum.