This Sunday marks the end of daylight saving time when most people across the U.S. fall back, moving their clocks back by one hour.This is your notice that the time change is coming. Here’s what you need to know about the end of daylight saving time and how to prepare yourself and your family before it happens. Clocks will officially move ahead an hour at 2 a.m. Sunday.If you use your smartphone as an alarm, there is no need to do anything. However, if an analog or digital clock not connected to Wi-Fi is your wake-up reminder, go ahead and set the clock one hour ahead before you go to bed. THE HISTORY OF DAYLIGHT SAVING TIMEDaylight saving time is observed from the second Sunday in March to the first Sunday in November, according to the U.S. Department of Transportation. The USDOT has overseen the time change since 1966, when Congress transferred responsibility from the Interstate Commerce Commission.Everywhere in the U.S., except Hawaii and most of Arizona, observes the time change; those states remain on standard time year-round. To make matters more confusing, the Navajo Nation in Arizona does observe DST. Some U.S. territories, including Puerto Rico and the Virgin Islands, do not change their clocks twice yearly.DAYLIGHT SAVING TIME 2024: WILL SUNSHINE PROTECTION ACT MAKE DST PERMANENT?There have been several attempts to make daylight saving time the year-round standard through the Sunshine Protection Act. However, the bill has yet to make it through the House and to the president’s desk to become law. The transition to standard time and vice versa can be rough for little ones and their parents. Several sleep experts have recommendations for helping your children adjust to the time change.The baby sleep gurus of “Moms on Call” have five steps to transitioning into standard time, starting with putting your child to bed at their normal time on Saturday night. According to Moms on Call, the transition could take about three days until the family is adjusted to the time change. The biggest suggestion by all sleep experts is to stick to your bedtime routine, whether that’s a bottle, bath and a book or whatever order works for your little one.