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

当累积起来的时候，它增加了困倦感，也就是睡眠压力。

Firstly, caffeine blocks the receptors in the body for a compound called adenosine.

首先，咖啡因会阻断体内对化合物的受体。

Throughout the day, your brain has been releasing a waste product called adenosine.

一整天，你的大脑都在释放废物，就是。

Caffeine gets in there and blocks that receptor so you never feel that tiredness.

咖啡因到脑区后 阻碍与受体结合，所以你不会感到疲惫。

Caffeine works by interfering with a molecule called adenosine.

咖啡因通过干扰一种叫做酸的分子来产生效果。

Adenosine is found all over your body.

酸存在于你身体的各个角落。

Caffeine is a pro at mimicking a neurotransmitter called adenosine.

咖啡因是一种能够像“”神一样在神细胞间传信息。

You get way more ATP for every bit of organic matter that you consume.

你摄入的每一点有机物都会让你获得更多的三磷酸。

Adenosine can no longer bind, meaning it's calming properties are diminished.

无法再与受体接，意味着它的镇静作用就会减弱。

No, no, no, it only stops your heart for six seconds...-Meredith, it's adenosine.

不，不，不，这个只会停住你心跳6秒... -Meredith，是。

The more adenosine latching onto receptors in your brain, the more tired and inattentive you become.

越多附着在你的大脑受体上，你就越感到疲乏和无法集中注意力。

Caffeine blocks adenosine from binding to receptors, which can give you a boost of energy.

咖啡因阻止了和受体的结合，让你短暂得到能量。

The substance concerned, TDI-11861, belongs to a class of molecules called soluble adenylyl cyclase (sAC) inhibitors.

这种名为TDI-11861的物属于可溶性酸环化酶(sAC)抑制剂。

In other words, it makes you feel relaxed.

换句话说，能让你感到放松。

It's about 10 times more efficient than those original anaerobic ways of creating ATP.

这比原来用厌氧法产生三磷酸的效率要高 10 倍。

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

但是，由于咖啡因不是，所以再怎么积聚你都不会感觉到有睡意。

Adenosine builds up during the day, gradually reduces our alertness, and eventually makes us feel tired.

在白天积累，逐渐降低我们的警觉性，最终让我们感到疲倦。

But it turns out that the caffeine in your coffee is incredibly similar to adenosine in structure.

而咖啡中的咖啡因与的化学结构非常相似。

There are four bases: adenosine, thymine, cytosin, and guanine.

、胸嘧啶、胞嘧啶和鸟嘌呤。

And 6 hours after that, you'll have 37.5mg, leaving more room for adenosine to jump back into action.

在这之后的6小时里，将会剩余37.5毫克的咖啡因，留下更多空间让得以重新行动。