Cliff House has been Cox's primary residence and refuge for the last eight years a quiet place to sleep, read, draw, listen to music and watch nature.

WSJ: The Most Important Garden Designer You've Never Heard Of

"Quiet enough that he can get to sleep by about 9:30 every night or so, as is his preference, " Herman says.

NPR: In Times Of Tumult, Bush Kept Ties To Quieter Life

Sleep in a very dark, very quiet room.

FORBES: How Doing Nothing Makes You Money.