Protein stimulates a neurotransmitter in your brain called orexin. It regulates arousal, wakefulness, and appetite. In fact, researchers hypothesize that modafinil, the real-world drug most like the fictional drug from the movie Limitless works in part because it increases orexin.

蛋白质会刺激你大脑中的一种神经传递介质，即阿立新。它能调节你的觉醒状态和胃口。事实上，研究人员假设莫达非尼能让人精力充沛，这种确实存在的药物类似电影《永无止境》里的虚拟药物，因为它也能增加体内的阿立新。

That’s why you should have the steak (extra points for grass fed) and avoid the pasta if you want to stay up late.

这就是为什么如果你想熬夜就应该吃点儿肉排（最好是草食动物），而不是意面。

Watch Your Eyes

注意你的眼睛

There’s nothing more annoying than trying to enjoy some late-night revelry only to find that you are squinting and your eyes are tired. When your eyes are tired, you’re squinting will make your facial muscles tired. Your trigeminal nerve runs right through your face, which means that squinting will affect your entire nervous system and make you tired more quickly. If you wear contacts, wear your glasses earlier in the day, and bring some eyedrops.

没有什么比当你准备享受彻夜狂欢时却发现自己耷拉着眼皮昏昏欲睡更令人郁闷了。当你双眼困顿眯着眼睛时，你的脸部肌肉也会疲劳。你的三叉神经在脸部正常活动，这就意味着眯眼会影响你整个神经系统，让你更快地感到疲惫。如果你白天很早就戴着隐形眼镜，记得带点儿眼药水。

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