Presently his eyes closed and he fell into a heavy sleep.

So he started getting up early again, at five or even four, and going into heavy sleep with the waning light.

He fell into a heavy sleep and didn't wake until dawn.

He did not move until Bill slid into a heavy sleep after midnight.

He stared about like someone just awakened from a heavy sleep.

She was soon in what seemed like a heavy sleep.

Collapsing onto the bed once more, he fell into heavy sleep.

The husband who woke after a strangely heavy sleep to find his wife gone from their bed.

He talked for a little longer then fell into a heavy sleep, and I left him.

Should the hurt man stir from the heavy sleep into which he had dropped, she'd know it and see to whatever need was his.