Our latest Freakonomics Radio episode is called "The Economics of Sleep, Part 1" (You can subscribe to the podcast at iTunes or elsewhere, get the RSS feed, or listen via the media player above. You can also read the transcript, which includes credits for the music you’ll hear in the episode.)
It's well-established that a lack of sleep can impair our cognitive function. Sleep loss has also been linked to adverse physical outcomes like weight gain and, increasingly, more serious maladies. Is it possible that lack of sleep can even explain the income gap?