Leo Babauta from the popuar blog zenhabits.net wrote in July 2012:
“It might seem smart and productive to not let a single minute go to waste (they’re precious, after all), but let’s take a step back to look at the big picture.
Is this what our lives are to be? A non-stop stream of productive tasks? A life-long work day? A computer program optimized for productivity and efficiency? A cog in a machine?
What about joy? What about the sensory pleasure of lying in the grass with the sun shining on our closed eyes? What about the beauty of a nap while on the train?”
[http://zenhabits.net/kill-time/]
Our simple answer is in accord with that: Doing nothing makes our lives better.