Sleep mask
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Can electronic mask improve sleep?

Sleep masks are often credited with helping to give us a good night's rest. But one start-up is seeking crowdfunding to push the concept into the hi-tech realm.

The Zizz is an "intelligent" sleep mask which claims to help interpret and optimise sleep patterns using a combination of sensors and artificial intelligence software on a smartphone app.

The BBC's North America technology correspondent Richard Taylor took a first-hand look at a prototype.

You can follow Richard @RichTaylorBBC.

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