sleep·walk 
/ˈsli:pˌwɑ:k/ verb
sleep·walks; sleep·walked; sleep·walk·ing /ˈsli:pˌwɑ:k/ verb [no obj] : to walk around while you are asleep
— sleep·walk·er /ˈsli:pˌwɑ:kɚ/ noun, plural sleep·walk·ers [count]
/ˈsli:pˌwɑ:kɚ/ noun, plural sleep·walk·ers [count]— sleepwalking noun [noncount]
