About 14 hours
I was in my early 20s in school, partying a shit ton while working nearly full time during finals week. I procrastinated on 2 major projects, busted them out over 2 days which included a stretch where I was up for about 30 hours straight.
When I finally went to sleep I felt like someone was spooning me, tripped me the fuck out so I started looking around my apartment like a god damned tweaker.
Then I smoked some weed and crashed out