From Longman Dictionary of Contemporary Englishsleepwalksleep‧walk /ˈsliːpwɔːk $ -wɒːk/ verb [intransitive] 1 to walk while you are sleeping2 [always + adverb/preposition] to get into a bad situation without intending to, because you are not paying attention to what is happeningsleepwalk into The government is sleepwalking into a crisis. —sleepwalking noun [uncountable]