可可電臺，每期節目一話題，讓英語磨練耳朵的同時學到更多有益的小知識，豐富知識的同時受益于生活。

ways to improve your alertness and cognitivefunction in the morning.

早晨提高你的警覺性及認知能力

Hydrate yourself

為自己補水

In another tip, they suggest drinking water firstthing in the morning and throughout the day to stay hydrated.

他們推薦的另一個方法是早晨起來先喝水，并且在一天里都要補水。

While sleeping, you will sweat, breathe, and get upto use the bathroom, and these things all work to dehydrate the body.

睡覺的時候，你會出汗、呼吸、起床去衛生間，所有的這些事都會使身體脫水。

Even mild dehydration can take a toll, decreasing alertness and mental concentration, and contributing to fatigue.

哪怕只是輕度脫水也能使警覺性和精神集中度降低，并導致疲勞。

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