VIDEO | by WSJLive

How to Improve Sleep

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VIDEO DESCRIPTION:
A growing number of Americans don't get enough to sleep, thanks to higher stress and other factors. David K. Randall, author ...
of "Dreamland: Adventures in the Strange Science of Sleep," talks about the problem and some steps to improve sleep.
Posted: 08/04/2012 | Views: 798 | Duration: 04:52
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