wakefulness (Noun) — A periodic state during which you are conscious and aware of the world. ex. "consciousness during wakefulness in a sane person is pretty well ordered and familiar"
wakefulness (Noun) — A temporary state in which you are unable (or unwilling) to sleep. ex. "accept your wakefulness and sleep in its own contrary way is more likely to come"
wakefulness (Noun) — The process of paying close and continuous attention. ex. "wakefulness, watchfulness, and bellicosity make a good hunter"