sleepwalker
Longman Dictionary of Contemporary English 5++LDOCE 5++sleep·walk·er /ˈsliːpˌwɔːkə $ -ˌwɒːkər/ noun [countable] SLEEPsomeone who walks while they are sleeping 梦游者
Examples from the Corpus
sleepwalker• She looked stunned, almost like a sleepwalker.• She smiled wanly at Corbett and, like a sleepwalker, rose and left him.• Anna followed her like a sleepwalker, her arm limp in Liz's grasp.• He moved like a sleepwalker, almost beyond fear, invoking Grimes' memory.• Like a sleepwalker, she thought, and it occurred to her that she should step back inside and shake him awake.• Most of us are like sleepwalkers here, because we notice so little.• Presently the man-apes began to move forward, like sleepwalkers, toward the source of that compulsive sound.• I walked like some sleepwalker as he showed me empty rooms and a steep, stone-vaulted cellar.sleep·walk·er nounChineseSyllable
they are someone while Corpus walks sleeping who
sleepwalker
sleep‧walk‧er /ˈsliːpˌwɔːkə $ -ˌwɒːkər/
noun [countable]
someone who walks while they are sleeping
—sleepwalk verb [intransitive]
—sleepwalking noun [uncountable]
sleep‧walk‧er /ˈsliːpˌwɔːkə $ -ˌwɒːkər/
noun [countable]someone who walks while they are sleeping
—sleepwalk verb [intransitive]
—sleepwalking noun [uncountable]