stertorous

But in a moment the silence was broken by a deep, stertorous rattle.

When coma or profound stupor exists, it may become jerking and spasmodic, or even simulate the stertorous respiration of apoplexy.

Flinging the door open, he confronted the startled bar-keeper empurpled and stertorous.

Nor did he stir again; only there came the sound of his stertorous breathing to indicate that he slept.