I just pulled my first all nighter (outside of Mystery Hunt, which is somehow different) since junior year when I was taking 6.170. I don’t remember it being this hard back then. I think I’m going to make a point to not repeat this. Except for during Mystery Hunt, of course.
Dec8
Colossus of Rhode 
welcome to old age
Our advisor claimed he “accumulated 37 sleepless nights, including two twofers” his first year as a PhD student.
I’d really like to end up with none.