What is the one-word substitute for "One who walks in sleep"?AInsomniacBSomnambulistCDreamerDNocturnalAnswer: B. Somnambulist Read Explanation: A somnambulist is a person who walks in sleep.Other options:Insomniac → a person who cannot sleepDreamer → one who dreams or imaginesNocturnal → active at night Read more in App