Awakeness

"I sat up in bed with that feeling of broad awakeness and alertness which comes to us sometimes, and caught my breath as I listened, for through the stillness of the night came the unmistakable sound of a gentle tapping from behind the paneling of the wall.

The kind of awakeness that allows you to be appropriate to whatever moment you're in.

By that measure, Nehlig's team found, the brain activity of animals given caffeine rose in brain regions involved in locomotion, mood, and awakeness.