1. a person who walks around while asleep

Examples

• The sleepwalker wandered into the kitchen at midnight.
• Her parents installed safety locks after discovering she was a sleepwalker.
• The sleepwalker had no memory of leaving his bedroom.
• Doctors advised the family on how to safely guide a sleepwalker back to bed.
• The sleepwalker’s episodes became more frequent during stressful periods.
• She didn’t realize she was a sleepwalker until her roommate told her.