1. 你早就该睡觉了。

[ nǐ zǎo jiù gāi shuì jué le 。 ]

It's time you went to bed.

2. 充足的睡眠有益于健康。

[ chōng zú de shuì mián yǒu yì yú jiàn kāng 。 ]

Plenty of sleep is healthful.

3. 你吃这么多难怪睡不着。

[ nǐ chī zhè me duō nán guài shuì bù zhuó 。 ]

No wonder you can't sleep when you eat so much.

4. 你认为你马上就能睡着吗?

[ nǐ rèn wèi nǐ mǎ shàng jiù néng shuì zhuó ma ? ]

Do you think you'll be able to go to sleep fight away?