There's a related Freakonomics episode talking about timezones and productivity: http://freakonomics.com/2015/07/16/the-economics-of-sleep-part-2-a-new-freakono

There's a related Freakonomics episode talking about timezones and productivity: http://freakonomics.com/2015/07/16/the-economics-of-sleep-part-2-a-new-freakonomics-radio-episode/ http://freakonomics.com/2015/07/16/the-economics-of-sleep-pa...