American thought

After reading an article about polyphasic sleep (sleeping in many, short, power naps only) I began to wonder if the American, evangelical worldview/mindset has directed/controlled our thinking about sleep.  It is important to note that monastics, especially very holy spiritual guides, sleep very little. 
The effects of polyphasic sleep are curious.  In short, an enhanced level of creativity and productivity.  The negative side effect, obviously, is grumpiness.
But I have to wonder, is the negative side effect of this sleep due to its lack of proper focus, ie, devotion to, and pursuance of, holiness.  The monastics will live long, productive, holy lives, emanating a remarkable aura of love and grace.  They are anything but grumpy, surly or otherwise.  Would pursuit of this sort of lifestyle, performed under the guidance of a wise spiritual father, produce in us a combination of holiness and creativity/productivity?
The big question of how to make it work in our current culture remains.