睡觉时手机放旁边，是不是很危险？
<p><span word="Is">Is</span> <span word="it">it</span> <span word="dangerous">dangerous</span> <span word="to">to</span> <span word="sleep">sleep</span> <span word="with">with</span> <span word="your">your</span> <span word="smartphone">smartphone</span>?</p><p>身边放着手机睡觉有危害吗？</p><p>来自南卫理工会大学化学系助教<span word="Brian">Brian</span> <span word="Zoltowski">Zoltowski</span>的回答：</p><p><span word="FOR">FOR</span> <span word="ELECTRONIC">ELECTRONIC</span> <span word="DEVICES">DEVICES</span> <span word="LIKE">LIKE</span> <span word="LAPTOPS">LAPTOPS</span>, <span word="phones">phones</span>, <span word="anything">anything</span> <span word="with">with</span> <span word="a">a</span> <span word="LED">LED</span> <span word="or">or</span> <span word="LCD">LCD</span> <span word="display">display</span>, <span word="the">the</span> <span word="problem">problem</span> <span word="is">is</span> <span word="that">that</span> <span word="they">they</span> <span word="produce">produce</span> <span word="a">a</span> <span word="large">large</span> <span word="amount">amount</span> <span word="of">of</span> <span word="artificial">artificial</span> <span word="blue">blue</span> <span word="light">light</span>. <span word="Our">Our</span> <span word="natural">natural</span> <span word="cue">cue</span> <span word="to">to</span> <span word="what">what</span> <span word="time">time</span> <span word="of">of</span> <span word="day">day</span> <span word="it">it</span> <span word="is">is</span>, <span word="primarily">primarily</span> <span word="to">to</span> <span word="know">know</span> <span word="when">when</span> <span word="morning">morning</span> <span word="is">is</span>, <span word="is">is</span> <span word="blue">blue</span> <span word="light">light</span>. <span word="By">By</span> <span word="exposing">exposing</span> <span word="ourselves">ourselves</span> <span word="to">to</span> <span word="large">large</span> <span word="amounts">amounts</span> <span word="of">of</span> <span word="blue">blue</span> <span word="light">light</span> <span word="late">late</span> <span word="at">at</span> <span word="night">night</span>, <span word="we">we</span> <span word="are">are</span> <span word="giving">giving</span> <span word="our">our</span> <span word="bodies">bodies</span> <span word="a">a</span> <span word="cue">cue</span> <span word="that">that</span> <span word="it">it</span>’<span word="s">s</span> <span word="time">time</span> <span word="actually">actually</span> <span word="to">to</span> <span word="wake">wake</span> <span word="up">up</span> <span word="instead">instead</span> <span word="of">of</span> <span word="go">go</span> <span word="to">to</span> <span word="sleep">sleep</span>. <span word="This">This</span> <span word="can">can</span> <span word="lead">lead</span> <span word="to">to</span> <span word="defects">defects</span> <span word="in">in</span> <span word="our">our</span> <span word="circadian">circadian</span> <span word="rhythm">rhythm</span>, <span word="and">and</span> <span word="it">it</span>’<span word="s">s</span> <span word="been">been</span> <span word="shown">shown</span> <span word="that">that</span> <span word="when">when</span> <span word="we">we</span> <span word="have">have</span> <span word="our">our</span> <span word="biological">biological</span> <span word="clock">clock</span> <span word="out">out</span> <span word="of">of</span> <span word="phase">phase</span> <span word="with">with</span> <span word="the">the</span> <span word="natural">natural</span> <span word="day">day</span>-<span word="night">night</span> <span word="cycle">cycle</span> <span word="outside">outside</span>, <span word="that">that</span> <span word="can">can</span> <span word="lead">lead</span> <span word="to">to</span> <span word="increases">increases</span> <span word="in">in</span> <span word="the">the</span> <span word="rates">rates</span> <span word="of">of</span> <span word="diabetes">diabetes</span>, <span word="cancer">cancer</span>, <span word="heart">heart</span> <span word="disease">disease</span>, <span word="and">and</span> <span word="even">even</span> <span word="depression">depression</span>.</p><p>对于任何像笔记本和手机这样带有<span word="LED">LED</span>或<span word="LCD">LCD</span>屏幕的电子设备来说，问题就在于它们会发出大量人造蓝光。我们自身对一天中各时间段的感知就依靠蓝光，其中主要是知道什么时候是早上。深夜我们还把自己暴露在大量蓝光下，就是在提示身体该起床了，而不是该睡觉了。这会导致我们昼夜规律的混乱，而且有研究表明生物钟与外界自然的昼夜循环不一致时，糖尿病、癌症、心脏病、甚至抑郁的发病率都会上升。</p><p>来自伦斯勒理工学院教授<span word="Mariana">Mariana</span> <span word="Figueiro">Figueiro</span>的回答：</p>
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