Living at the border between wakefulness and a dream world may do wonders for your creativity.
People with narcolepsy are excessively sleepy during the day and can often drift off. Isabelle Arnulf, who treats narcolepsy at Pitié-Salpêtrière Hospital in Paris, noticed that her patients seemed remarkably creative. Many of them were artists and poets, for example.
“Even when they were sitting in the waiting room, they were doodling and writing,” she says. “And what they did was beautiful.”