somnambulant

From Latin somnus (“sleep”) + ambulō (“I walk”) + -ant.

somnambulant (not comparable)

1. Walking as if, or while, asleep; sleepwalking.
   • 2015, Jonathan Shaw, Narcisa: Our Lady of Ashes, New York, N.Y. […]: Infinitum Nihil/Harper Perennial, →ISBN, page 397:

     Hopeless lost souls of hell, trudging through a decaying shitstream of traffic, wandering, somnambulant herds of the damned, […]

• (walking while asleep): somnambulic, somnambulistic

• somnambulate
• somnambulism
• somnambulist

somnambulant (plural somnambulants)

1. A sleepwalker.