I was once onsite at a casino for basically 7 days straight (barring trips off site for breakfast and some dinners) while working on a client project. Not havi

I was once onsite at a casino for basically 7 days straight (barring trips off site for breakfast and some dinners) while working on a client project. Not having clocks is one thing. Unlike a mall, the casino had zero natural light inside. Apparently, seeing that it's dark (or light again) outside might be a hint it's time to leave, and that's bad for business.