We should sleep at night with windows open.

我们晚上应该开着窗户睡觉。

youdao

The Ministry of Education has paid more attention to this problem and required that students in primary schools should sleep at least 10 hours a day, 9 hours for junior high and 8 hours for senior high.

教育部非常关注这一问题，并要求小学生每天至少睡10个小时，初中生至少睡9个小时，高中生至少睡8个小时。

youdao

I should sleep more.

我应该睡觉更多。

youdao

The academy says babies should sleep on their backs.

VOA: special.2009.08.26

Well, should we conclude, therefore, so nobody really believes that they're ever in dreamless sleep?

那么我们就应该得出结论，没有人真正相信,他们可以进入无梦的睡眠么？

耶鲁公开课 - 死亡课程节选

We banned that drug and I haven't heard anybody saying that that was a wrong decision, that we should allow pregnant women who want to sleep better to take a drug that will mean their children are born without limbs.

我们禁止了这种药物的使用，但我们从未听说,有人认为这是个错误的决定，也从未有人说，我们应该允许,失眠的孕妇使用这种药品,即使她们的孩子可能从出生就没有四肢。

普林斯顿公开课 - 人性课程节选

But the rest of us really should sleep better.

NPR: Au Contraire, Economics

It is not that people think out-of-town MPs should sleep in the streets, but they do grumble at providing them with the cleaning women and flat-screen televisions that many would love to be able to afford themselves.

ECONOMIST: Parliamentary expenses

Labour's David Hanson tried to find out if Mr Jones's deputy, Stephen Crabb, agreed with comments about what Labour have branded the "bedroom tax" by Welfare Reform Minister Lord Freud "who suggested that those who are concerned about this should sleep on sofas".

BBC: Welsh Questions, TV's Michael Fabricant and sofabeds