painkiller drugs are common causes of this.
Exercise encourages the release of endorphins, your body's natural painkiller.
She rubbed her face, certain the mistake would be clarified soon and she'd be released with an apology the size of a bottle of painkiller she desperately needed.
He prepped bandages for her wrist, a bowl and washcloth, and a smaller version of the doc's med-gun, loading it with enough painkiller to knock her out.
The owner had left a bottle of painkiller and a snack on the nightstand, and Katie smiled at the first piece of thoughtfulness she'd received in what felt like a year.