sleepwalking vs noctambulism

sleepwalking and noctambulism both are nouns.

Word	Noun	Adjective	Verb	Adverb
sleepwalking	Yes	No	No	No
noctambulism	Yes	No	No	No

As nouns, sleepwalking and noctambulism are synonyms defined as:

Other synonyms of sleepwalking include noctambulation, somnambulation, somnambulism.

sleepwalking (noun)	noctambulism (noun)
walking by a person who is asleep	walking by a person who is asleep