Every night he somnambulates down the hallway, much to his roommate's alarm.

She took somnambulant steps toward the kitchen, clutching a half-empty glass.

At midnight, the somnambulant wandered down the hallway, murmuring fragments of an old song.

At midnight the somnambulants wandered through the silent corridors, guided only by moonlight.

Her sudden somnambulation startled the whole household when she wandered into the kitchen at midnight.

Late-night somnambulations left her bewildered the next morning, with furniture moved and an unfamiliar book on her bedside table.