她是那种习惯每晚睡八个小时的人。

She was a person accustomed to having eight hours' sleep a night.

《牛津词典》

根据《美国睡眠》调查显示，这个结果是由非营利性机构美国睡眠协会在2002年发布，68%的调查民众承认每晚的睡眠时间少于八个小时。

According to sleep in America, a survey published in 2002 by the nonprofit National sleep Foundation, 68% of poll respondents admitted getting less than eight hours' sleep on weeknights.

youdao

每晚至少睡到八个小时。

Get 8 hours a night, at least.

youdao

我们被教导每晚要睡七到八个小时，但我们很多人并没有睡够这个时间却依然身体健康，而我们中的一些人实际上睡得过多。

We're taught that we should get seven or eight hours a night, but a lot of us get by just fine on less, and some of us actually sleep too much.

youdao

他着手进行了一项实验，要求志愿者们每晚睡大约七个半到八个小时，一个星期后再将睡眠时间调整为六个半到七个小时。

He set up an experiment and asked his volunteers to spend a week sleeping around seven and a half hours to eight hours a night and the next sleeping six and a half to seven hours.

youdao

Sarah和a shley每晚两人都需要八个小时的睡眠。

Sarah and Ashley both need eight hours of sleep per night.

youdao

每个人每晚需要至少八个小时的睡眠。

Everyone needs to have at least eight hours' sleep a night.

youdao

我相信每晚睡八个小时是重要的。

I believe it's important to sleep for 8 hours every night.

youdao

首先，要有充足的睡眠，每晚至少有八个小时的睡眠。

First, get plenty of sleep, at least 8 hours each night.

youdao

首先，要有充足的睡眠，每晚至少有八个小时的睡眠。

First, get plenty of sleep, at least 8 hours each night.

youdao