"Exercisers fall asleep faster, suffer fewer middle-of-the-night wake-ups and have a reduced risk of sleep disorders, " says study co-author Brad Cardinal, co-director of the sport and exercise psychologyprogram at Oregon State University.
"When people run with music their rate of perceived exertion is lower than if they don't use music or other devices, " says Gershon Tenenbaum, director of the graduate program in sport and exercise psychology at Florida State University.