She sat down and her head sank to the desktop.

Then his head sank a little, and he saw the rest of her.

His head sank as if the water were drawing it.

His head sank forward, and he seemed to be looking up at her.

Her head sank forward, and it looked as if she had passed out.

His head was sinking back to her knee, when she checked him.

The old man's head had sunk low again on his chest.

Willie did not answer her, and the little head sunk on his shoulder again.

The old man's head had sunk back upon his chest.

His head sank back down, and he lay still, like a wounded dog.