For starters, catching Zzs is like a dishwasher for your brain.

By Laura Schocker
April 21, 2016

Arianna Huffington has long been an advocate for the importance of a good night’s sleep (she’s often quoted encouraging people to literally “sleep your way to the top” and famously offers her employees nap rooms). Now, the editor-in-chief of The Huffington Post has released a new book on the topic, The Sleep Revolution ($16, amazon.com), which takes a close look at how our society dismisses the importance of sleep and offers tips for how people can finally take charge of their own shuteye—sans medication. The book is packed with relatable personal stories and helpful interviews, but also plenty of hard data and science. Here, we've excerpted seven of the most interesting facts we learned from reading Huffington's book.

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