Can you train yourself to sleep on demand?

Today on CNN10: We'll learn about the bomb cyclone that's bringing wintry weather to much of the country this week. Then, we'll go behind the scenes at a high-tech fulfillment center to see how Wal Mart is using logistics to keep up with the holiday shopping season. Plus, we'll hear from an elite sleep coach who has spent decades teaching professional athletes to fall asleep in unlikely places -- including the side of a cliff. All this and more on today's CNN10! Learn more about your ad choices. Visit podcastchoices.com/adchoices

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