Can we agree that different people have different optimal working styles? Some people get everything done first thing in the morning and are useless in the afternoons. Some people can't get started until noon whatever their local time is. Some people can commit to 10 or 12 hour days, and if so, it's not fair to ask them to work 5 days a week at that rate. Some people work best in private offices, some at separated wo…
I did some very physical seasonal work for about a decade where most of us would work about 3 months of the year, very intensely. After years of experimentation, the boss of the finest company in this industry figured out that a 3 day on, 1 day off cycle worked best for productivity and morale. This cycle gave everyone a chance to rest and recover from the athletic level of physical labour.
It was really interesting to step out of a 7 day week and into this 4 day cycle every year.