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[高清字幕]Health Report - The Ups and Downs of Coffee and Caffeine

来源:慢速英语   时间:2015-10-28 12:00:34

Health Report - The Ups and Downs of Coffee and Caffeine

Recently, researchers British and American researchers investigated caffeine’s effects on human sleep patterns. The scientists found that drinking something caffeinated in the hours just before bedtime can delay sleep sometimes by as long as 40 minutes.

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