Sleepwalking (somnambulism) is when a person behaves as if awake while in a deep sleep. They might walk, talk, or perform routine activities all while sound asleep. Sleepwalking can happen due to ...

Sleepwalking, or somnambulism, belongs to a family of sleep disorders called parasomnias, behaviors that hover on the boundary between sleeping and waking. Most parasomnias are tied to specific points ...