It’s that time of year again. On Sunday, we will “fall back” -- that is, rewind our clocks an hour as daylight saving time comes to an end.
This will give us sunlight earlier in the morning throughout winter. Today in Portland the sun rose at 7:56 a.m. and will set at 5:51 p.m. On Sunday, it will rise at 6:59 a.m. and set at 4:49 p.m.
Early birds will enjoy the return to standard time, but the toggling back and forth in time twice a year (daylight saving time will restart on March 13, 2022) does cause problems.
“Heart attacks and traffic fatalities increase in the days following the change to daylight saving time in the spring,” Washington University biology professor Erik Herzog told the St. Louis school’s The Source.
A 2020 study in the journal Current Biology concluded that the launch of daylight saving time each spring leads to more traffic accidents, due to “sleep deprivation and circadian misalignment.” The spike in car crashes always tapers off a week after the time switch.
Oregon is one of several states trying to bring an end to this annual time travel; the Oregon Legislature wants us to permanently stay on daylight saving time. But the U.S. Congress needs to get onboard before the change can take effect.
Oregon’s legislators might prefer daylight saving time all year round, but Herzog, a past president of the Society for Research on Biological Rhythms, would like everyone to stay on standard time. Studies suggest that more morning sunlight is beneficial to our health in various ways, so we should be getting up with the sun rather than desperately trying to hold onto natural light late in the evening, he says.
“Your biological clock, which controls your daily rhythms in things like sleep and wake, eating, and fasting, interprets light in the morning as sunrise, and advances your wake-up time,” he said. “Evening light tells your biological clock to wake up later the next morning, making it more difficult to live without an alarm clock.”
-- Douglas Perry
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November 05, 2021 at 11:23PM
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Should we permanently end daylight saving time? Studies conclude it would mean fewer heart attacks and car ac - OregonLive
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