可可電臺(tái)，每期節(jié)目一話題，讓英語磨練耳朵的同時(shí)學(xué)到更多有益的小知識(shí)，豐富知識(shí)的同時(shí)受益于生活。

things you might have been told about sleep but aren’t completely true.

你可能聽說過的有關(guān)睡眠的事，這些都不是完全正確的。

More Sleep Is Better for You

睡得越多越好

There could be such a thing as too much sleep. The amount of sleep we need varies by person and also changes as we age. Harvard researchers found that a lot of sleep (9 hours or more) is linked with poor sleep quality. So don’t aim for more sleep—even on the weekends. Aim for better sleep.

睡太多可能會(huì)導(dǎo)致睡眠過度。每個(gè)人需要的睡眠時(shí)間都不一樣，且會(huì)隨著年齡增長(zhǎng)而變化。哈佛大學(xué)研究員發(fā)現(xiàn)，睡得過多（9個(gè)小時(shí)以上）和睡眠質(zhì)量差有關(guān)。所以不要以睡得更久為目標(biāo)——即便是在周末，而是要力圖提升睡眠質(zhì)量。

Alcohol Helps You Sleep

酒精有助于入睡

Alcohol, the original nightcap, can help most people fall asleep. However, it also can cause you to wake up more during the night, wrecking your sleep quality. Consider drinking non-alcoholic beer before bed instead.

人們過去常在睡前喝酒，大多數(shù)人都會(huì)在酒精作用下很快入睡，但是，酒精也會(huì)導(dǎo)致你在夜間醒來多次，破壞睡眠質(zhì)量。考慮一下睡前喝點(diǎn)無酒精的啤酒吧。

【知識(shí)點(diǎn)講解】

aim for 計(jì)劃， 打算；

例句：

His friends were all crying aim for him.

朋友們都在為他助威.

We aim for 80 % contrast as a general rule of thumb.

我們認(rèn)為的最佳的對(duì)比度是80%,這可以作為一般的經(jīng)驗(yàn)值.

We aim for a quick turnover of stock in our stores.

我們的目的是要加速本百貨店的庫存周轉(zhuǎn).

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