Earlier quoted context omitted.
Good grief. It almost makes me question what information is missing from the abstract since I don't know how one can consistently run on fumes without it affecting cognition, productivity or decision making.
Throwaway as I don't want to admit that I feel permanently cognitively impaired. Anecdotal, but I spent years not sleeping through university and sleeping in airports or on the train. Studied engineering and did a lot of hackathons and events and stuff. I figured out then that I didn't need full cognition or excellent decision making. I needed more hours cranking out work. I spent years sleeping just a few hours and…
I personally would always put more faith in someone who carefully checks their work than someone who thinks they don't need to. The second person is making mistakes and just doesn't realize it.