The All Nighter

Via PhD comics

This might have been me up until about two years ago when I pulled my last all-nighter.  Unlike in my salad days, I was dragging like death by the time dawn broke and I was utterly useless for the next two days.  Now, I'd face down by 2 AM no matter and no crisis would change that short of the house catching fire and even then I'd ask how close the flames were.

Then last year I discovered that my days tavelling via redeyes were passed, too.