Duke Energy, one of the largest electric utilities in the country, included an article this week that took aim at the clock-changing law, which was updated just over a decade ago by a 2005 energy bill. It pointed out a number of adverse health effects that are a side effect of using 0.5 percent less energy per day as a result of gaining an hour of sunlight. Studies published over the last decade on the effects of daylight saving time have shown it interferes with natural sleep patterns, which people never truly recover from. ... Even worse, medical studies showed...