A new study found better results in four-year-olds who go to bed around the same time every night and sleep at least eleven hours.

VOA: special.2010.06.09

Who here has been making it since the beginning of the semester on under six hours a night?

谁从本学期开学到现在,每晚睡不到六小时的？

耶鲁公开课 - 心理学导论课程节选

I think for the past three months, I've only had five or six hours of sleep at night.

我觉得在过去三个月里，每晚我就睡5到6个小时。

I need 实战 - SpeakingMax英语口语达人

For the study,they aimed for at least ten hours of sleep each night during the season.

VOA: special.2010.06.09

How many people here on average-- from the beginning of the semester until now get on average more than eight hours of sleep a night?

这里平均有多少人-,从开学到现在,平均每晚睡超过八小时的？

耶鲁公开课 - 心理学导论课程节选

Adults should try to get seven to eight hours of sleep a night.

VOA: special.2010.06.09

And for the space of four hours every night, I feel no boredom.

每晚四小时的学习，我一点也不觉得无聊。

耶鲁公开课 - 政治哲学导论课程节选

During the quiet hours of the night she lay awake considering ideas.

VOA: special.2009.09.05

I know doctors recommend that you get nine hours of sleep every night.

我知道医生们建议每晚要睡足9个小时。

I need 实战 - SpeakingMax英语口语达人

She says being a mom is hard. "Because you have to get up every two hours in the middle of the night, and you can't go out and say 'I am going to buy this for myself.'

VOA: special.2010.05.13

that has been getting under five hours a night?

每晚睡不到五小时的？

耶鲁公开课 - 心理学导论课程节选

The system effectively controlled participants' blood sugar for 27 hours, during which time they ate three high-carbohydrate meals and slept through the night at a hospital.

VOA: standard.2010.04.15

Endeavour's last scheduled night launch went smoothly in the pre-dawn hours Monday.

VOA: standard.2010.02.08