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Tech aims to help restless sleepers

chinadaily.com.cn | Updated: 2018-03-20 14:03
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2breathe Sleep Inducer, a device that helps people to sleep via tones composed from the user's breathing, is seen during a press event for CES 2017 at the Mandalay Bay Convention Center in Las Vegas on Jan 3, 2017. [Photo/VCG]
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