I'm surprised that there's someone out there seeing it that way, and would be interested in hearing your reasons if you don't mind. Unless I'm hungover from a Saturday evening, Sunday is the day where I can be most creative and most free.
- I know Monday is coming, so I need to go to sleep early
- The day is shorter since I wake up late because Saturday was a long nice day, and because of previous point
- everything is closed. Not that I care much, but it limits the options of “what to do today”
Favorite day: Saturday and then Friday