With daylight saving time quickly approaching, some sleep experts are continuing a call to end the changing clocks, but why?
The American Academy of Sleep Medicine has been for years been calling for a permanent switch to standard time, saying "there is ample evidence of the negative, short-term consequences of seasonal time changes."
Here's a look at what to know about Daylight Saving Time and how you can better prepare your body:
What does daylight saving time do to your body?
Dr. Kathy Sexton-Radek, a consultant for the AASM Public Safety Committee and professor of psychology with a special interest in sleep medicine at Elmhurst College, said the time change can "skew or put off center the normal systems that trigger structures within our mind, within our brain that tell us through hormone cues and brain chemistry when it's time to be awake and when it's time to be asleep."
"The movement in time creates a type of need for orientation and reacclimating, which puts a person off-center," she told NBC 5 Chicago.
Such shifts can cause mood changes, fatigue, concentration issues, and more, Sexton-Radek said.
"Light is the most powerful timing cue for the human body clock,” Erin Flynn-Evans, who has a doctorate in health and medical science and is director of the NASA Ames Research Center Fatigue Countermeasures Laboratory, said in a statement. “Shifting to permanent daylight saving time in the winter would result in more darkness in the morning and more light in the evening, leading to misalignment between the body’s daily rhythm and the timing of routine social obligations, like work or school. That has the potential to make it harder for most people to fall asleep at night, disrupting sleep quality and leading to sleep loss, which can negatively impact health and safety.”
What are signs your body is not properly adjusting?
According to Sexton-Radek, mood changes, fatigue and an inability to concentrate are some of the biggest indicators.
"I think suddenly the sense of feeling annoyed or irritated because of something that was not detected might bring the person's attention to the idea that they weren't fully able to concentrate, the fatigue, perhaps a sleepiness was stealing some of their attention and their concentration ability," she said.
What are the benefits of daylight saving time?
According to the Department of Transportation, Daylight Saving Time has a number of benefits. The DOT's website highlights the following:
- It saves energy. During Daylight Saving Time, the sun sets one hour later in the evenings, so the need to use electricity for household lighting and appliances is reduced. People tend to spend more time outside in the evenings during Daylight Saving Time, which reduces the need to use electricity in the home. Also, because the sunrise is very early in the morning during the summer months, most people will awake after the sun has already risen, which means they turn on fewer lights in their homes.
- It saves lives and prevents traffic injuries. During Daylight Saving Time, more people travel to and from school and work and complete errands during the daylight.
- It reduces crime. During Daylight Saving Time, more people are out conducting their affairs during the daylight rather than at night, when more crime occurs.
What can you do to make the shift easier on your body?
AASM recommends the following tips for managing the time change:
- Wait to change your clocks until it is time to get ready for bed.
- Go to bed at your usual bedtime.
- Just before getting into bed, set your clocks back one hour.
- Wake up at your standard wake time.
- Take note of how much better you feel after an extra hour of sleep.
- On the Sunday after the time change, your normal bedtime will be an hour earlier. Go to bed at this earlier time to reset your sleep schedule to achieve longer sleep.
Sexton-Radek also suggests using relaxation techniques to ensure you go to bed at the right time.
She suggests using calming apps or music, light physical activity like yoga or stretches or writing checklists to take tasks off your mind.
"Clearing one's mind is sometimes easier said than done, but finding an individualized approach that's useful," she said.
This can also be helpful not just in the lead-up to DST, but for those struggling with the adjustment, Sexton-Radek said.
"[Some people] might feel a little, just a smidge, a bit stymied with this. They're not quite on their mark," she said. "And that's also a telltale sign to themselves some self care, relaxation, a small rest, some bright light outside that's alerting but not in a harsh way."
When is daylight saving time?
In the United States, daylight saving time lasts for a total of 34 weeks, running from early-to-mid March to the beginning of November in those states that observe it.
In 2022, daylight saving time will start on March 13, more than a full week before the official start of spring. Daylight saving time will end on Nov. 6.
Under the conditions of the Energy Policy Act of 2005, daylight saving time starts on the second Sunday in March and ends on the first Sunday in November, representing an extension from previous years.
Before that, the clocks had sprung ahead on the first Sunday in April and remained that way until the final Sunday in October.
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March 05, 2022 at 01:53AM
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Daylight Saving Time 2022: Why Some Sleep Experts Say It Should End - NBC Chicago
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