I work for a company that does.

Guess what? Right now I'm working on a project pretty much nonstop because I want to

I'm invested in the task, I want to get back to work immediately after breakfast (right now) because I know what I'm doing is important, and that when I have nothing important to do, I can just play mahjong or something online.

Treating your workers like competent, motivated adults will make them want to be competent, motivated adults.