My sister is a sleeptalker who sometimes practices entire conversations while she's asleep.

sleeptalkers in the dormitory kept everyone awake with their strange midnight conversations.

Sometimes I sleeptalk and surprise myself with what I say.

His sleeptalking during the long flight embarrassed him and amused the passenger beside him.

I could hear him sleeptalking through the thin walls last night.

Last night she sleeptalked about the dream she had, describing strange details that made everyone laugh.

My roommate sleeptalks about his childhood every few nights, revealing surprising memories.