The boy's breathing deepened, steadied and his eyes closed completely.

In less than a minute be heard her breathing deepen with sleep.

His breathing deepened to sleep fifteen minutes later, but she didn't move.

Stephen's breathing deepened, and his body relaxed against me a muscle at a time.

He opened his eyes just enough to see me, then they closed, and his breathing deepened.

His breathing deepened still further, and came in long, drawn-out turns.

Travis kept his eyes on the road as her breathing deepened and she drifted off to sleep.

With the injection of the drug, small as the dose was, his breathing deepened.

Her breathing deepened, then turned to panting as pressure really took hold.

He could see her breathing deepen, as the music began to reach inside her.