change your head to write well

The biggest failing in most novels and short stories is 'thinness'. 'Thickness' is obtained either through multiple sweeps adding material each time or getting into a 'thick head' so to speak. I find the feeling you have when you get up after an afternoon sleep ideal- no joke this- your head is dream laden, unflustered and focused on now not on the near future; looking even one sentence ahead is a sign of being too focused on the future.