noctambulist - definition and synonyms

noun
  1.   From our crowdsourced Open Dictionary
    someone who walks while they are asleep. It is a synonym for 'somnambulist' and 'sleepwalker'

    He must be a noctambulist as I saw him sleepwalk last night.

    Submitted by Michał Rygorowicz from Poland on 23/07/2009