She was covering up the child, who constantly flung off the bedclothes.
Therese with her head under the bedclothes, was uttering smothered groans.
He pulled the bedclothes over his eyes, swearing and getting into a rage with himself.
Because the bedclothes would get wet, you know, and he would take cold!
So saying, he threw off all the bedclothes, and fell back with a groan.