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Sleep quality for Chinese has consistently improved in the past five years, according to the latest China Sleep Quality Index 2017-2017 report. 近日发布的《2017-2017年中国睡眠指数》报告显示，过去5年间，国人睡眠质量不断改善。 The 7,116 respondents from across the country scored an average 74.2 points, almost 10 points up from 2017, it said. 报告称，全国7116名受访者的睡眠指数平均得分为74.2分，比2017年高出近10分。 For sleep patterns, the average length of sleep is between 7 and 9 hours, the report said. 报告指出，睡眠模式方面，国人平均睡眠时长为7-9小时。 | 
