sleep late vs catch some Z's

sleep late and catch some Z's both are verbs.

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

As verbs, catch some Z's is a hypernym of sleep late; that is, catch some Z's is a word with a broader meaning than sleep late:

Other hypernyms of sleep late include kip, log Z's, sleep, slumber.

sleep late (verb)	catch some Z's (verb)
sleep later than usual or customary	be asleep