What is the past tense of the word somnambulist?

Since somnambulist is a noun, not a verb, it has no past tense. The related present tense verb is somnambulate, while the past tense would be somnambulated.
Since somnambulist is a noun, not a verb, it has no past tense. The related present tense verb is somnambulate, while the past tense would be somnambulated.