Around 36 hours. Nothing compared to the feats told in here. That was just when my friends and I would have all-night video game parties in high school.
The longest i've ever stayed awake is 172 hours... it was the worst experience of my life. It was my first week on duty (im a doctor in the army) and i had received a emergency call, a couple soldiers had been injured by an IED (improvised explosive device). We were under constant fire and had been stuck in a little shack/bunker thing for 1 week straight. I couldn't sleep unless i wanted to die. We were dieing of dehydration until luckily we were saved by an disaster response team.
A total of 72+ hours during the first three days we crossed the border into Iraq.
Bravo to both of you.
(I might be one of those "got-d*** libruls", but I have full respect for our armed forces.)