Daylight Savings Time. Most of us in the U.S., save for Arizona and Hawaii, have been practicing this semi-annual time change for as long as we can remember. More summer light and theoretically less power consumption. But is it really so great?

C.G.P. Grey put together an infographic-y video that breaks down all the benefits and pitfalls of Daylight Savings Time, complete with a history of the practice and a statistical breakdown to support the arguments for and against. In Arizona, for example, power bills would actually go up. And the sleep adjustment to the time change can cause dips in production and health hazards as a result of fatigue. But who doesn't love having the sun out until 8 P.M.? [C.P.G. Grey]