He doesn't have enough sleep but he is healthy.

尽管他没有足够的睡眠，但他很健康。

youdao

The real reason is probably that we don't have enough sleep.

真正的原因可能是我们没有足够的睡眠。

youdao

Schools will advise pupils to turn off mobile phones or iPads in the evening to have enough sleep.

学校将建议学生在晚上关掉手机或 ipad 以获得足够的睡眠。

youdao

At the time, scientists believed that a person at the top of the mountain would only have enough oxygen to sleep.

VOA: special.2010.06.30

The Nest (covered in branches), the Blue Cone (which is actually painted red) and the UFO (a spaceship skewered by pines) all have enough room to sleep a family of four.

CNN: Modern design meets nature with Sweden's Treehotel

That dreamy sleep would have been enough to push chilly-weather doldrums aside, but it was waking the following morning that made me a convert.

WSJ: Better Beauty Sleep

Without enough sleep, you'll act like you have ADD whether or not you have it.

NPR: Excerpt: 'Delivered from Distraction'