Actress, model, world-class snowboarder and 2014 Paralympic bronze medalist Amy Purdy answers questions at a news conference before the Daytona 500 NASCAR Sprint Cup series auto race at Daytona International Speedway, Sunday, February 22, 2015, in Daytona Beach, Fla. Purdy will be driving the pace car for the race. (Photo by Phelan M. Ebenhack/AP Photo)

Over 60 minutes of relaxing piano music !

Over 60 minutes of relaxing music !

Swedish designers Humans since 1982 have created a digital clock made of 24 analogue clocks, which spell out the time with their hands.