sleep in vs sleep late

sleep in and sleep late both are verbs.

Word	Noun	Adjective	Verb	Adverb
sleep in	No	No	Yes	No
sleep late	No	No	Yes	No

As verbs, sleep in and sleep late are synonyms defined as:

sleep in (verb)	sleep late (verb)
sleep later than usual or customary	sleep later than usual or customary
live in the house where one works