Daylight Savings Time was created to move an hour of the morning daylight to the evening to save on evening electricity costs to light the home during WWI.
What studies have found is that that expected energy cost savings was negated by a change in peoples behavior so the energy cost savings was almost a null point. Discovery News states, “Although a U.S.. Department of Transportation study in the 1970s found that daylight saving trimmed electricity usage by about 1 percent, later studies have shown that the savings is offset by air conditioners running in warmer climates."
Researchers at the Karolinska Institute in Stockholm found that heart attacks increase during the first week of daylight savings.
Let's join Arizona and Stop the World War I practice of Daylight Savings