Experts say that Daylight Saving Time is supposed to save energy, but it doesn't.
Farmers do not like Daylight Saving Time, because it forces them to do early-morning chores in the dark.
Risk of heart attack increases by 10 percent on the Monday and Tuesday after moving the clocks ahead an hour each spring.
The human body's circadian clock responds to light and darkness and never adjusts to the time changes. This lowers worker productivity, and increases the risk of traffic accidents.
Religions with prayer times at sunrise or sunset also have difficulty contending with shifting the clock twice a year.
Utah State University economist William F. Shughart II estimates an annual $1.7 billion of lost opportunity due to Daylight Saving Time.