wide-awake vs alert

wide-awake is not a noun while alert is a noun.

Word	Noun	Adjective	Verb	Adverb
wide-awake	No	Yes	No	No
alert	Yes	Yes	Yes	No

wide-awake (noun)	alert (noun)
	a warning serves to make you more alert to danger
	an automatic signal (usually a sound) warning of danger
	condition of heightened watchfulness or preparation for action

wide-awake (adjective)	alert (adjective)
fully alert and watchful	engaged in or accustomed to close observation
fully awake	mentally perceptive and responsive
	quick and energetic

wide-awake (verb)	alert (verb)
	warn or arouse to a sense of danger or call to a state of preparedness