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 ...
In 1959, New York DJ Peter Tripp became a test subject for sleep’s effects. His 201-hour wakeathon made him see spiders in his shoes and question his identity. This shows why sleep is essential, not ...