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 ...

Sleepwalking can happen when you're sleep-deprived, sick, or stressed out and can also be a symptom of a condition such as sleep apnea, restless leg syndrome, or Parkinson's disease. Sleepwalking ...