Jacques Hadamard wrote very well on this in his 1945 "An Essay on the Psychology of Invention in the Mathematical Field." He described creative burst happening

Jacques Hadamard wrote very well on this in his 1945 "An Essay on the Psychology of Invention in the Mathematical Field." He described creative burst happening during recovery phases following intense work. Here is one link: http://archive.org/stream/eassayonthepsych006281mbp#page/n11/mode/2up http://archive.org/stream/eassayonthepsych006281mbp#page/n11...