Exposing yourself to artificial light on your cellphone, TV or tablet reduces your body's production of melatonin, which can make it difficult to get a good night's sleep, if you do so late at night.
你总是处在手机、电视或平板电脑这类人造光的环境下，会造成身体褪黑激素量降低，这样就很难睡个好觉，尤其是如果你晚上睡得那么晚。
"The light from the screen of your computer, tablet or phone is blue spectrum light, and it's particularly dangerous because it tells the brain to stop secreting melatonin," says Medalie.
“你的电脑屏幕，触屏设备还有手机的光亮是蓝色光谱光，它尤其危险，因为它告诉大脑停止分泌褪黑激素，”医学文摘说道。
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