Blood, rock and a terrible rain which had killed him in his sleep.

Killing you in your sleep would have brought me no pleasure.

I intended to kill them in their sleep, so to speak.

If someone wanted to kill me in my sleep, he was welcome.

A hundred times I have killed him in my sleep.

"Why did you not just kill me in my sleep?"

He had been very nearly killed in his sleep last night.

What did it matter if they were killed in their sleep?

I wondered if he'd try to kill me in my sleep.

"Death Master sent him to kill all of us in our sleep."