I've been awake for 80 hours no sleep before, whilst travelling and partying over new years. I took 1 energy drink and no drugs, but did have some alcohol. At the end I was having a combination of some pretty intense hallucinations and kinda of dreaming with my eyes open. It was definately very wierd. I don't think it would be possible to scape for this long at 1 time without a lot of very strong stimulants, I had to spend most of my time standing up, because the momen I sat down my eyes would close!