Well, primary FSGS is when it's idiopathic, or there's no clear underlying cause.

原发性FSGS特发（于肾），即未明确潜在病因。

Now, the cause of acute pericarditis is usually idiopathic, meaning that we don't know what causes it.

急性心包炎通常是特发性的；特发性指原因不明。

If it's primary or idiopathic, then steroids are sometimes used, but they've been shown to have mixed results.

如果它是原发的或特发性的，有时会使用类固醇激素，但是治疗结果有好有坏。

But for all these other problems, idiopathic hypersomnia, insomnia, we know it's complicated.

但是对于所有这些其他问题，特发性嗜睡，失眠，我们知道它很复杂。

I was diagnosed with idiopathic  hypersomnia, when I was 19 years old.

我 19 岁时被诊断出患有特发性嗜睡症。

For people with idiopathic hypersomnia, or IH, that's not the case.

对于患有特发性嗜睡症或 IH 的人来说，情况并非如此。

People with idiopathic hypersomnia often have a lot of difficulty waking up in the mornings.

患有特发性嗜睡症的人通常早上起床很困难。

Okay, let's recap - acute pericarditis is usually caused by a idiopathic causes, but can be caused by viruses or after a myocardial infarction.

急性心包炎通常原因未明，也可因病毒感染或心肌梗死导致。

So, I think it will really lead to a complete redefinition of the diagnosis of people who have idiopathic hypersomnia or insomnia.

因此，我认为这将真正导致对特发性嗜睡症或失眠症患者的诊断进行彻底的重新定义。

And there's a little bit of experimental evidence suggesting that idiopathic hypersomnia may have a circadian component to it as well.

还有一些实验证据表明，特发性嗜睡症也可能有昼夜节律因素。