True. 15 years ago when I was working at a large digital storage vendor, the joke was that Friday afternoon was for discussing each others' weekend plans; and Monday morning was for discussing the outcomes of those plans.
Monday: recuperating after the weekend
Tuesday: preparing for work
Wednesday: work
Thursday: recuperating after work
Friday: preparing for the weekend
After the presentation, he asks the audience if they have any question. The most senior employer rises and asks, "So wait, you mean we're going to toil like horses EVERY WEDNESDAY NOW???!"
(As far as I can tell, this dates back to Soviet times at least, if not earlier.)