Not all labs do. At Wake Forest University, the monkeys are housed in pairs and separated only at meal times so that researchers can monitor what each monkey eats.

并非都这么做，在维克森林大学，猴子们是成对地被关在房子里，只是在进食时才被分开，因为只有这样研究者才能监测到每只猴子的进食。

youdao

Do you know why you wake at night?

你知道为什么你会在夜里醒来吗？

youdao

My job every day is to wake up with a refreshed perspective on the projects we deal with and do something different.

我每天的工作是带着对所从事项目的新观点醒来，做一些与过去不同的事情。

youdao

And then you do twenty-plus miles the next day,you sleep in a tent, you gotta wake up and you got to do it again.

VOA: special.2009.11.02

Most adults need 7-9 hours of sleep every night, so take a look at your wake-up time, and do the math.

FORBES: Tips For Going To Bed On Time

Wake up early and do a three-faith pilgrimage, stopping at the Global Pagoda off the Borivali station, and Haji Ali Mosque and Mahalaxmi Temple in Mahalaxmi.

BBC: Riding the rails like a Mumbaiker

Usually wake-up call means that you then do something differently.

WHITEHOUSE: Press Briefing