This is your brain on silence
Contrary to popular belief, peace and quiet are all about the noise in your head. "People already do. In a loud world, silence sells. Noise-cancelling headphones retail for hundreds of dollars; the cost of some weeklong silent meditation courses can run into the thousands. Finland saw that it was possible to quite literally make something out of nothing." Daniel A. Gross, writing in Nautilus.magazine, explores.
From Nautilus magazine