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"  Whether you&amp;#039;re turning back the clock in the fall for an extra hour of zzz&amp;#039;s, or losing an hour of sleep in the spring, daylight saving time serves as a biannual reminder to update household safety measures\u2014and, believe it or not, is directly linked to the number of car crashes. Read on for more surprising info related to the jump back in time. 1. One in five smoke alarm failures are due to dead batteries, according to the National Fire Protection Association. &amp;quot;Daylight saving time is the perfect yearly reminder to replace batteries,&amp;quot; says Meri-K Appy, president of Safe Kids USA. 2. Car crashes\u2014especially those involving pedestrians\u2014soar during the evening hours in the weeks just after clocks are set back in the fall, according to research from the Insurance Institute for Highway Safety. The reason? &amp;quot;The early sunset puts more drivers and pedestrians on the road in twilight, when it&amp;#039;s harder for them to see each other,&amp;quot; says Adrian Lund, president of the IIHS. His advice: Keep your daytime running lights or low beams on at all times\u2014and make sure less experienced teen drivers do the same. After you spring forward, keep in mind that it will be darker than usual on your morning commute and use your headlights accordingly. 3. Incidences of heart attacks decrease significantly on the Monday following fall daylight saving time, according to a study from The New England Journal of Medicine. &amp;quot;Since subjects were able to get an extra hour of sleep, they awoke on Monday morning more rested, a key element of optimal heart health,&amp;quot; explains Malissa J. Wood, MD, a spokeswoman for the American Heart Association. Springing ahead has the opposite effect on the rate of heart attacks, and actually increases their frequency. Some doctors have reasoned that this is because of the change in the amount of sleep you get. Remember to hit the hay one hour earlier when this time of year rolls around. 4. You&amp;#039;ll add an extra hour to your train trip if you&amp;#039;re traveling overnight via Amtrak on the eve of fall daylight saving time. Trains running on schedule will be an hour early when the time changes at 2 A.M.; to compensate, these trains are held an hour at their next station stop. According to Amtrak, during the spring switch, &amp;quot;trains traveling overnight will become one hour late and will attempt to make up the time.&amp;quot; "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.womansday.com/life/a6015/4-things-you-didnt-know-about-daylight-savings-124256/>