I can't even begin to think of the number of athletes, weekend or otherwise, who have said they perform better when in the flow state.
It's probably true for every endeavor from reading to gardening to cleaning the basement.
That's one of the reasons so many basements get cleaned after listening to the Get Around To It Paraliminal Tape. Values and priorities have been realigned, it is easier to focus, other things don't tug for your attention....