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Lights Out at Bedtime
Author(s): Marina Leunig
Pages: 24-
25
Year: 2014
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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