The Well Sleep Quiz

08/21/2012 08:08 am ET
  • KAREN BARROW nytimes.com

How does sleep affect health, relationships and well-being? We spoke with David K. Randall, author of the new book "Dreamland: Adventures in the Strange Science of Sleep," to learn more about how we spend one-third of our lives. Take this sleep quiz to learn more about the fascinating and sometimes strange world of sleep.

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