sleepwalk

例句：

1. 1. She was walking through the park when she suddenly realized she had been asleep all night.
   她正在公园散步时突然意识到自己整夜都在睡觉。
2. 2. He often sleepwalks in his sleep, waking up to find himself in strange places.
   他经常在睡梦中无意识地行走，醒来后发现自己出现在奇怪的地方。
3. 3. The patient's sleepwalking behavior has been a cause of concern for the family.
   患者的梦游行为已经让家人感到担忧。