noctambulant

• IPA^(key): /nɒkˈtæm.bjə.lənt/

noctambulant (comparative more noctambulant, superlative most noctambulant)

1. Relating to or given to sleepwalking; noctambulous.
   • 1908, Report of the Members of the Royal Commission on the Care and Control of the Feeble-Minded, volume VII: "Upon Their Visit to American Institutions", OCLC 14804139, page 113:

     Another matter we noticed was the large number of "cage" beds for the troublesome and noctambulant patients—camisoles and other physical restraints were rarely used.

2. Walking or traveling at night.
   • 1889, Jonathan Sturges (tr.), “The Necklace”, in The Odd Number: Thirteen Tales By Guy De Maupassant, translation of La Parure by Guy de Maupassant:

     At last they found on the quay one of those ancient noctambulant coupés which, exactly as if they were ashamed to show their misery during the day, are never seen round Paris until after nightfall.

   • 2015 March 15, Robert McCrum, “Nightwalking review – an enthralling study of London after dark”, in The Observer‎:

     Responsible citizens owned houses and stayed in after dark. Rogues, rakes, prostitutes and “wicked persons” were noctambulant.

• The Merriam-Webster Dictionary

• IPA^(key): /nɔk.tɑ̃.by.lɑ̃/

noctambulant

1. present participle of noctambuler