She had woken me out of a sound sleep.

她把我从酣睡中叫醒了。

《柯林斯英汉双解大词典》

A sound sleep would do you good.

好好睡一下对你会有好处的。

youdao

Forget it, or have a sound sleep.

算了，还是美美地睡上一觉吧。

youdao

It can awaken someone from a sound sleep.

CNN: What causes leg cramps?

More evocative is the Gatsby-inspired weekend brunch menu at the Todd English Food Hall (not to be confused with the adjoining Plaza Food Hall) where, after a sound night's sleep, we sampled Venison Eggs Bercy and Vol au Vent of Seafood.

WSJ: Gatsby Slept Here

The idea of unlocking a smartphone, opening a texting app and then typing something while asleep may sound far-fetched, but the "sleep-texting" term is a little misleading.

CNN: STORY HIGHLIGHTS