He was sound asleep, I could tell from his breathing.

He could tell from her breathing that she was trying not to cry.

There was no movement of his armor, not even from breathing.

She was awake too - I could tell from her breathing.

From Jacob's breathing below, she could tell that sleep hadn't come to him either.

From proper breathing came the rhythms of life and power.

Its sheer weight nearly prevented him from breathing, let alone moving.

I knew from her breathing that she was drowsing, but for me sleep wouldn't come.

They squeezed at our chests to keep us from breathing.