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The Ups and Downs of Coffee and Caffeine


The Ups and Downs of Coffee and Caffeine
សូម​រង់ចាំ
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ទាញ​យក​ពី​តំណភ្ជាប់​ដើម

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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