What can you learn from a sleep tracking device?

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What can you learn from a sleep tracking device?

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What can you learn from a sleep tracking device?

by CBSTV Videos 1:21 mins

What can you learn from a sleep tracking device?

by CBSTV Videos 1:21 mins

Personal sleep monitors put an additional emphasis on sleep and may help people get a better night's rest. Sumi Das reports from Redwood City, California.

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