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。

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。

It was very difficult to steer clear between Mrs Forrester's deafness and Mrs Jamieson's sleepiness.

福里斯特夫人有点耳背，贾米森夫人又睡，夹在二者之间很难谈话。

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

这意味，当日光开始变暗时，它们不会像褪黑素一样引起嗜睡。

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

贝特西拖沉重的脚步走，她的头耷拉，眼睛里充满了疲倦困倦。

He felt sleepiness stealing over him.

他感到昏昏欲睡。

The phone's artificial daylight, aka blue light, suppresses the production of melatonin, disrupting our feelings of sleepiness.

手机的人造日光，也就是蓝光，会抑制褪黑素的产生，扰乱们的困倦感。

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

心满意足地叹息。火焰消失了。别的痛楚被一阵席身的睡意所削弱了。

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.

在这项研究中，328 名健康志愿者接受了一项调查，其中包括睡眠、精力水平同理心的测量。

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

虽然为了防止高空不适，机舱内的气压已经经过了调整，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.

她的声音带一丝颤抖。不知怎地，当他们拥抱时，所有的烦躁睡意都不见了。

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

忙碌了一上午然后美美地吃个午餐。然后在下午3点左右，无法抗拒的困意袭来了。

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" 。

Sleepiness for us is not feeling tired.

对们来说，困倦并不等于感到疲倦。

It might cause the sleepiness of idiopathic hypersomnia.

它可能是特发性嗜睡症嗜睡的原因。

But this sleepiness can also show up in our day-to-day life.

但这种困倦也可能出现在们的日常生活中。

The key to working with sleepiness is finding the right balance.

应对困倦的关键在于找到合适的平衡点。

So with narcolepsy, we talked about the excessive daytime sleepiness.

所以关于嗜睡症，们讨论了过度白天嗜睡。