When you feel blue, ask yourself: Why am I unhappy? Can I change?

当自己不快乐的时候，问问自己，为什么我会不快乐呢？

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First, there's now visual data to back up the idea that everything looks kinda gray when you feel blue.

首先，这儿有份关于视觉的数据认为，当你沮丧时所有的东西看起来有点灰蒙蒙的。

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When your eyes are exposed to it directly, the blue light halts production of the sleep-inducing hormone melatonin and makes you feel more alert.

当眼睛直接受到刺激时，就会阻止产生诱导睡眠的褪黑激素，你整个人就会保持清醒状态。

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