You probably know which one you are, but did you know that there may be a biological reason why some people are out of bed at dawn while others prefer to burn the midnight oil?

也许你知道你是哪种人，但是你可知道也许是生物的原因，一些人破晓时分就起床，一些人则喜欢挑灯夜战？

youdao

Steven: Yes. WE're producing some new shows next spring. I love doing "Murder at Midnight". That's why I've stayed at WEFL.

史蒂文：是的。明年春天我们将拍一些新的片子。我喜欢拍《午夜凶杀》，那就是我留在WEFL的原因。

youdao

A man tossed around in bed at midnight, and his wife asked him why he did so.

一个男人在床上，到半夜都翻来覆去睡不着，他妻子问他为什么这样。

youdao

The watchdog is looking at issues including why officers executed the warrant at midnight, their interaction with Mr Bore, how they escorted him along the jetty and what they did after he fell.

BBC: Steven Bore jetty arrest death inquiry 'to be rigorous'

That's why we're willing to stand in parking lots at midnight at computer stores throughout the world anxiously awaiting the arrival of the next version of Windows.

FORBES: Malone's musing

So as you say now that you're not going to negotiate on the debt ceiling this year, why should House Republicans take that seriously and think that if we get to the one-minute-to-midnight scenario, that you're not going to back down?

WHITEHOUSE: President Obama Holds a News Conference