During your exam period, you want your brain to work at its very best, so build in relaxation time before bed, avoid late night revision sessions and try to go to bed early so you get enough sleep.

在考试期间，你想让你的大脑处于最佳工作状态，所以在睡觉前安排放松时间，避免深夜复习，尽量早点睡觉，这样你就能得到足够的睡眠。

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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。

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