本文格式为Word版，下载可任意编辑手机对睡眠有影响吗？DoesSmartphoneAffectsPeople'sSleep?:Smart phoneWith the popularity of smartphone, people use it all the time, no matter what they are doing. Many people have the habit of keeping smartphone at hand when they sleep, because they like to play it before sleep. Rumor goes that keeping cellphone around will bring cancer, but there is no direct evidence.由于智能手机的普及，不管人们在做什么他们几乎全部的时间都在使用手机。许多人养成睡觉的时候把手机放在身旁的习惯，由于他们喜爱在睡觉之前玩一下手机。有传言声称把手机放身旁会导致癌症，但是并没有直接的证据说明这一推断。
