He felt sleepiness stealing over him.

他感到昏昏欲睡。

But because it's not adenosine, the" sleepiness" effect isn't felt.

但是，由于咖啡因不是腺苷，所以再怎么积聚你都不会感觉到有睡意。

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

贝特西拖着沉重的脚步走着，她的头耷拉着，眼睛里充满疲倦和困倦。

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

尽管睡没有为感觉困倦带来显著差异, 但有助于增强记忆。

That means that they aren't getting that same melatonin-induced sleepiness when daylight started to dim.

意味着，当日光开始变暗时，它们不会像褪黑素样引起嗜睡。

A productive morning rewarded with a decent lunch. And then at about 3: 00 pm there comes the irresistible sleepiness.

忙碌然后美美地吃个餐。然后在下3点左右，无法抗拒的困意袭来。

That's where those unpleasant symptoms come in, starting with the surging temperature, aches and pains, and sleepiness.

就是那些引起不适的症状来源。体温开始升高, 身体疼痛, 和昏昏欲睡。

I sighed contentedly. The fire was gone, the other pains dulled by a sleepiness seeping through my body.

我心满意足地叹息着。火焰消失。别的痛楚被阵席卷我全身的睡意所削弱。

The research team assessed sleep time and REM cycles, and the subjects self-rated their sleepiness every evening and morning.

研究团队会对睡眠时间及周期进行评估，而受试者每天早晚也要自我评估睡眠质量。

The cameras make sure a driver is watching the road, and they look for signs of sleepiness or impairment.

红外摄像头可以确保司机驾车时在看路，也可以监测到司机困倦或身体受损的迹象。

In the study, 328 healthy volunteers were given a survey that included measures of sleepiness, energy levels, and empathy.

在项研究中，328 名健康志愿者接受项调查，其中包括睡眠、精力水平和同理心的测量。

Although the pressure of the cabin is adjusted to prevent altitude sickness, you could still experience sleepiness or a headache.

虽然为防止高空不适，机舱内的气压已经经过调整，但你仍然会感到困倦或头疼。

And there was a tremor in her voice. And somehow, as they embraced, all their irritation and sleepiness left them.

她的声音带着丝颤抖。不知怎地，当他们拥抱时，所有的烦躁和睡意都不见。

A wave of sleepiness came over me.

【come】阵倦意向我袭来。

If you start to get sleepy, you could counteract your sleepiness by drinking coffee with caffeine in it.

如果你开始困倦，你可以通过喝含有咖啡因的咖啡来抵消你的困倦。

And kind of its opposite, narcolepsy, whose sufferers sometimes experience brief, uncontrollable attacks of overwhelming sleepiness, called " sleep attacks" .

以及它的反面，嗜睡。嗜睡者有时会经历不受控制的困意，称为" 睡意侵袭" 。

All dopamine agonists may cause nausea, orthostatic hypotension, mental disturbances, and daytime sleepiness.

所有多巴胺激动剂都可能引起恶心、直立性低血压、精神障碍和白天嗜睡。

Long naps in the afternoon or in the early evening can just take the edge off your sleepiness.

下或傍晚的小睡可以消除困倦。

Two drugs, fentanyl, and another one, midazolam or -zalam. And I believe that one is to induce sleepiness.

两种药物，芬太尼，另种药物，咪达唑仑或-zalam。我相信其中之就是引起睡意。

Mr. Dursley might have been drifting into an uneasy sleep, but the cat on the wall outside was showing no sign of sleepiness.

德思礼先生迷迷糊糊，本来可能胡乱睡觉，可花园墙头那只猫却没有丝毫睡意。