I agree with this sentiment. Even if you manage to get to bed at an early time, it seems like the modern workplace still doesn’t reward deep focus. It rewards frequent context switching, being constantly available to answer pings in slack, providing updates to managers just “checking in” with you, attending tons of meetings, and being able to juggle numerous things going on at once. I can adapt to all that, but the 1-2 hours of actual work time I could squeeze out of any given day didn’t allow for much deep focus.