We managed to get most of these (as you know) and after moving into the building there was a discussion about the facilities on some mailing list where someone said, “Wow, I think I could actually live here!” whereupon I knew we’d succeeded.
I highly doubt that productivity, from a quality perspective, increases significantly by just adding more hours. People still get tired, restless, bored or just want to do something else for a while. It’s natural and should be a part of life (and work). Just sitting in the same place, doing the same thing while a massive crew of people cater to you is not necessarily going to foster new ideas or an interesting work culture.
What perks at Facebook have been most valuable for increasing productivity? – Quora