noctambulant

adjective2

1. •
   Relating to or given to sleepwalking; noctambulous.

   • 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. — 1908
2. •
   Walking or traveling at night.

   • 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. — 1889