sleepwalker
to act without paying any attention to what you are doing, or without thinking carefully about what might happen: 未察觉;未在意
She sleepwalked her way into a scandal.她不知不觉地陷入了一场丑闻里。
Until his cancer diagnosis, he had been sleepwalking through his life.在诊断出癌症之前，他一直都浑浑噩噩地活着。
One night he reportedly sleepwalked into sliding glass doors.
Some studies suggest as many as a quarter of all children sleepwalk.
Jenny still sleepwalks when she is ill.

SMART Vocabulary: related words and phrases

Animal physiology: sleep & sleeping
altered state of consciousness
beauty
bed
bunk
bye-byes
catch/cop/get some z'sidiom
comatose
count
crash
doss
drift off
power nap
sleep
sleeping
sleepwalking
snooze
snoozing
somnambulate
somnambulist
your beauty sleepidiom

You can also find related words, phrases, and synonyms in the topics:

Walking and walkers
Unaware