sleepwalker

[ sleep-waw-ker ]

noun
  1. a person who walks, eats, or performs other motor acts while asleep and is unaware of doing so upon awakening; a person with a disorder characterized by this: A sleepwalker may do something that could cause injury, such as climbing out of a window or walking into objects.

  2. a person who acts seemingly without awareness, feeling, aim, or will: My parents were sleepwalkers, moving about their world as if oblivious to it and to themselves.

Origin of sleepwalker

1

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024