Our modern world has people working the night shift, service workers that finish around midnight (restaurants) or in the middle of the night (bars), people on v

Our modern world has people working the night shift, service workers that finish around midnight (restaurants) or in the middle of the night (bars), people on vacation or who don't work and stay up late, night people who get to make up their own schedule, etc. The fact that working a 9-5 is the social norm doesn't mean everyone does that.