Comment How about 2 hours? (Score 1) 78
I had a college roommate that slept 2 hours a night at most. He took 2 15 minute naps during the day and that's all he slept. He had two full time jobs and maintained a straight A college record at one point for Electrical Engineering (oh, and had time for a girlfriend). The guy he roomed with (same apartment, 2 rooms, 4 students) had an eidetic (photographic) memory and could read a page he just looked at in a textbook back to me. Stuff I studied for 10+ hours to do the homework he did in 30 minutes, but he only had 1 full time job because he needed 8 hours of sleep. The guy in my room needed like 14 hours a sleep at night if an alarm didn't wake him. I'd sleep probably 3 hours, be up for 3, then slept another 3.
I imagine if they did a case study for sleep on that apartment, we'd have broken it. I transferred after that year and had normal roommates except maybe one, but he slept a lot after getting really stoned every night, so I don't know if that counts.