It governs when we become sleepy and when we are more wakeful.

它决定我们何时困倦和何时更加清醒。

The call of the wild is also the call of the sleepy.

野性也是困倦者。

I felt so sleepy that I could hardly keep my eyes open.

36 我感到困倦，几乎睁不开眼睛。

When I got to work, I always felt very sleepy and I was not happy.

上班时，我总感觉很困倦而且不开心。

Feeling tired or sleepy also makes us more emotional.

感到疲倦或困倦也会让我们更加情绪化。

Efforts to alter your circadian rhythm are likely to end in sleepy frustration.

试图改变你昼夜节律可能会以困倦和沮丧告终。

You've probably noticed that at night you naturally start feeling sleepy.

你可能已经意到，在晚上你自然会开始感到困倦。

43 When he came back, he again found them sleeping, because their eyes were heavy.

43 又来见他们睡着了、因为他们眼睛困倦。

I want you to watch my finger until you get sleepy.

我想让你一直看着我手 直到你觉得困倦。

As adenosine builds up, it increases the urge to sleep, also known as sleep pressure.

当腺苷累积起来时候，它增加了困倦感，也就是睡眠压。

Although napping made no significant difference to feelings of sleepiness, it did help enhance memory.

尽管午睡没有为感觉困倦带来显著差异, 但有助于增强记忆。

These circadian rhythms are the control switch that tells us when to feel sleepy or awake.

这些昼夜节律是控制开关，告诉我们何时感到困倦或清醒。

By the time we had finished the first bottle, Simon was very sleepy and very drunk.

当我们喝完第一瓶酒时，西蒙非常困倦，醉醺醺。

Usually, sibilance implies a mood that sounds threatening, cunning, somber, sleepy, sensual, and mystical.

通常，颤音听起来有着一种威胁、狡猾、阴郁、困倦、肉欲和神秘情绪。

A person might say " I feel sleepy" or " I feel energetic" .

一个人可能会说" 我感到困倦" 或" 我感到精充沛" 。

Betsy plodded along, her head hanging, her eyes all gritty with fatigue and sleepiness.

贝特西拖着沉重脚步走着，她头耷拉着，眼睛里充满了疲倦和困倦。

Alcohol may increase the effect of a drug--- sleeping pills combine with alcohol to produce a sleepy feeling.

酒精可能会增强某些药物效，酒精加安眠药会让你感到困倦。

Bawendi used the words, " very surprised, sleepy, shocked, unexpected and very honored, " to describe his feelings.

巴文迪用“非常惊讶、困倦、震惊、意外和非常荣幸”来形容他感受。

As a result, they're always sleeping less than required and operating in a more drowsy state.

因此，他们睡眠时间总是比要求少，并且处于更困倦状态。

That's not good. You should try doing some exercise to make you tired: how about jogging?

那可不太好。你应该试着做些运动，让自己困倦：慢跑怎么样？