In a way it is similar to the old idea of "get out, get some air, go for a walk and clear your mind" and then problem solving comes out at its best. It also co

In a way it is similar to the old idea of "get out, get some air, go for a walk and clear your mind" and then problem solving comes out at its best. It also connects to the old saying "La nuit porte conseil" - aka "the night brings council" - or "best to sleep on it".