This unfortunate case is known as sleep paralysis.

这种不幸的事件被称为睡眠瘫痪症。

When your suffer from sleep paralysis during the middle of the night.

你会半夜全身麻痹。

That experience can vary, but these days, researchers tend to focus on one: sleep paralysis.

这种经历可能会有所不同，但现在，研究人员倾向于关注一个问题：睡眠瘫痪。

Studies show that during sleep paralysis, the brain lights up with an overwhelming surges activity in the amygdala.

研究表明，这种情况发生时，大脑中杏仁体极度活跃。

Your brain usually turns this paralysis off before you wake up. But in sleep paralysis, you wake up while it's still happening.

大脑通常会在你醒来之前叫停这种麻痹状态。 但如果出现睡眠麻痹，即使人清醒了，这种麻痹状态还不会消失。

Some people have experienced a combination of sleep paralysis and astral projection, which is terrifying.

有些人经历过睡眠麻痹和星体投射的结合，这很可怕。

People that experience sleep paralysis might have dream-like hallucinations while they're awake and paralyzed, or struggling to move.

患有睡眠瘫痪的人在清醒、瘫痪或行动困难时可能会出现类似梦的幻觉。

I might need to wash mine more frequently if this sleep paralysis demon keeps popping up and scaring me!

如果这个睡眠麻痹恶魔不断出现并吓到我，我可能需要更频繁地洗衣服！

In sleep paralysis, your mind is still partially dreaming, leading to hallucinations that can feel super real.

在睡眠瘫痪症中， 您的大脑仍在部分做梦， 从而导致幻觉，感觉非常真实。

Sleep paralysis happens when the brain messes up the process of falling asleep or waking. Usually, you only start dreaming after you're fully asleep. And you stop dreaming before you waken.

当大脑对入睡或清醒状态产生混乱时，就会发生睡眠麻痹。 通常情况下，只有完全入睡后人才会开始做梦。 并且在清醒来之前梦就醒了。

But if someone has never heard of sleep paralysis, this could be a really scary experience, and it's easy to see why they'd need an explanation for it.

但如果有人从没听说过睡眠麻痹，这可能是一个非常可怕的经历，很容易明白为什么他们需要对此作出解释。

This is a medical condition called sleep paralysis and about 8% of the population has experienced some variation of it in their lives.

这是一种称为睡眠麻痹的疾病， 大约 8%的人在生活中经历过这种情况。

Sleep paralysis is thought to be caused by sleep deprivation, certain medications, sleep disorders like sleep apnea and narcolepsy, stress, and altered sleep patterns, like working night shifts.

睡眠麻痹被认为是由睡眠剥夺、 某些药物、睡眠障碍（ 如睡眠呼吸暂停和发作性睡病） 、 压力和睡眠模式改变（如夜班工作） 引起的。

But, while all this might sound really scary, researchers recently found that 20% of people who experience sleep paralysis on a regular basis actually find it pleasant!

但是，虽然这一切听起来真的很可怕， 但研究人员最近发现，20% 经常经历睡眠麻痹的人实际上觉得这很愉快！

For example, if someone is thinking back on their sleep paralysis experience and is wondering if it might have been aliens, they could remember things that weren't there — like the flash of a creature they once saw in a movie.

例如，如果有人回想他们睡眠麻痹的经历，并想知道那是否是外星人的话，他们可能会记住不存在的东西，就像他们曾在电影中看到的一闪而过的生物。