Red eye flights are very common. Most east bound US to Europe are late night departures. Same with deep South America to the US. Many US airlines also run at least one from every major west coast city to hubs on the east.
After working midnight shift for almost half of my adult life I laugh when people complain about the 1 hour change. I used to flip every weekend from day sleep to night sleep.
Pretty much only use cash for low tech vending machine at work. A coworkers wife questioned why he had a bunch of single dollar bills, Are you going to Strip clubs?
As I have gotten old, I’ve learned if I’m tired, I go to bed. I can be a nap right after work, or 8pm.