I don't get people who will actively lose sleep to do work, but once you have kids your ability to control how much sleep you get leaves your hands somewhat. I

I don't get people who will actively lose sleep to do work, but once you have kids your ability to control how much sleep you get leaves your hands somewhat. Its less brutal now he's older and better able to sleep through the night, but I've had weeks where I was working normal hours and getting 3-4 hours of broken sleep a night, somehow the body adapts to it. I wouldn't say I was doing my best work during that time, but I was definitely more productive than I'd expected to be.