wakefulness

Noun	1.	wakefulness - a periodic state during which you are conscious and aware of the world waking - the state of remaining awake; "days of danger and nights of waking" arousal - awakening from sleep vigil - a period of sleeplessness physiological condition, physiological state - the state of the body or bodily functions
	2.	wakefulness - a temporary state in which you are unable (or unwilling) to sleep sleeplessness temporary state - a state that continues for a limited time drowsiness, sleepiness, somnolence - a very sleepy state; "sleepiness causes many driving accidents"

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