Meaning of the word wakefulness in English

What does wakefulness mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

wakefulness

US /ˈweɪk.fəl.nəs/
UK /ˈweɪk.fəl.nəs/

Noun

the state of being awake; alertness

Example:
He experienced periods of intense wakefulness during the night.
The drug promotes wakefulness and reduces fatigue.