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China/Asia On Demand
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Lights Out at Bedtime
Author(s): 
Pages: 24-25
Year: Issue:  4
Journal: College English

Keyword:  睡眠质量电子设备科学家电脑屏幕卧室显示屏蓝光睡觉发现褪黑激素;
Abstract: <正>科学家发现,电脑屏幕发出的蓝光会影响睡眠质量,因此人们睡前应关掉卧室里包括电脑在内的所有电子设备,以提高睡眠质量。There are plenty of good reasons to power up1a personal desktop or laptop computer in the evening—writing e-mails,chatting on social networks or making purchases over the Internet,for instance.But various studies indicate that people who stare at a PC’s
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