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

But if you're the type who prefers to be bed by midnight, that's quite okay too; there'll be plenty of time to work on the project.

但是，如果你习惯半夜睡觉，也同样可以,你还有足够的时间完成这个项目。

哈佛公开课 - 计算机科学课程节选

But if you're the type who prefers to be bed by midnight, that's quite okay too; there'll be plenty of time to work on the project.

但是，如果你习惯半夜睡觉，也同样可以,你还有足够的时间完成这个项目。

哈佛公开课 - 计算机科学课程节选