wakefulness

Noun (3)

1. a periodic state during which you are conscious and aware of the world“consciousness during wakefulness in a sane person is pretty well ordered and familiar”
2. a temporary state in which you are unable (or unwilling) to sleep“accept your wakefulness and sleep in its own contrary way is more likely to come”Synonyms: sleeplessness
3. the process of paying close and continuous attention“wakefulness, watchfulness, and bellicosity make a good hunter”“vigilance is especially susceptible to fatigue”Synonyms: watchfulnessvigilancealertness