So many times I'd be at home in my office, crunching 12 hours straight on a problem, only to finally give up and go to sleep. Without fail I'd jump out of bed

So many times I'd be at home in my office, crunching 12 hours straight on a problem, only to finally give up and go to sleep. Without fail I'd jump out of bed an hour later, test my solution, and go back to sleep a happy man.