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Top 10 professions with worst sleep quality

Updated: 2014-03-21 08:16 (chinadaily.com.cn)
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No. 7 Blue-collar workers

Blue-collar workers rank seventh with 61.9 points on the list of professions with the worst sleep quality.

Top 10 professions with worst sleep quality

Workers in blue uniform check product quality in an automobile accessory factory in Sichuan province on December 16, 2013. [photo/dfic.cn]  

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