Some people call it procrastination, other people call it thinking. A little bit of procrastination is correlated with increased creativity. When people procrastinate too little or too much, they are less creative, but when they procrastinate just enough to get away from the problem but not too far away, then new perspectives pop up.
http://www.nytimes.com/2016/01/17/opinion/sunday/why-i-taugh...