Sleepwalker

Alternative forms

• sleep-walker

Full definition of sleepwalker

Noun

1. Someone who walks about in their sleep.
• 1918, W. B. Maxwell, The Mirror and the Lamp Chapter 15, Edward Churchill still attended to his work in a hopeless mechanical manner like a sleep-walker who walks safely on a well-known round. But his Roman collar galled him, his cossack stifled him, his biretta was as uncomfortable as a merry-andrew's cap and bells.

Synonyms

• somnambulist