wake vs catch some Z's

wake is a noun but catch some Z's is not a noun.

Word	Noun	Adjective	Verb	Adverb
wake	Yes	No	Yes	No
catch some Z's	No	No	Yes	No

wake (noun)	catch some Z's (noun)
a vigil held over a corpse the night before burial
the wave that spreads behind a boat as it moves forward
the consequences of an event (especially a catastrophic event)

wake (verb)	catch some Z's (verb)
be awake, be alert, be there	be asleep
stop sleeping
cause to become awake or conscious
to alert someone to something
arouse or excite feelings and passions