wakefulness   (TTS Sound)

The noun wakefulness has 3 senses

• wakefulness -- (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")


• wakefulness, sleeplessness -- (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")


• watchfulness, wakefulness, vigilance, alertness -- (the process of paying close and continuous attention; "wakefulness, watchfulness, and bellicosity make a good hunter"; "vigilance is especially susceptible to fatigue")