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Daylight Saving Time Is Bad for Your Health

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Printed Date: Sep 19 2017 at 7:34am


Topic: Daylight Saving Time Is Bad for Your Health
Posted By: tatee
Subject: Daylight Saving Time Is Bad for Your Health
Date Posted: Mar 08 2014 at 2:01pm

Daylight Saving Time Is Bad for Your Health

http://www.facebook.com/sharer.php?s=100&p%5btitle%5d=Daylight+Saving+Time+Is+Bad+for+Your+Health&p%5bsummary%5d=This+post+originally+appeared+in+Business+Insider.+Daylight+saving+time+is+about+to+start,+and+an+interesting+thing+that+you+might+not+realize+is+how+such+a+small+shift+in+our+time+can+have+a+large+impact+on+our+body+clock+and+our+health.+These+negative+impacts+of+daylight+saving...&p%5bref%5d=sl_live&p%5bimages%5d%5b0%5d=http://www.slate.com/content/dam/slate/blogs/business_insider/2014/03/08/when_is_daylight_saving_time_it_starts_march_9_and_it_s_bad_for_your_health/476050889-thai-election-staff-member-takes-a-nap-at-a-polling.jpg/_jcr_content/renditions/cq5dam.web.1280.1280.jpeg&p%5burl%5d=http://www.slate.com/blogs/business_insider/2014/03/08/when_is_daylight_saving_time_it_starts_march_9_and_it_s_bad_for_your_health.html" rel="nofollow - -   http://www.slate.com/blogs/business_insider/2014/03/08/when_is_daylight_saving_time_it_starts_march_9_and_it_s_bad_for_your_health.html#" rel="nofollow - -
By http://www.slate.com/authors.jennifer_welsh.html" rel="nofollow - Jennifer Welsh
476050889-thai-election-staff-member-takes-a-nap-at-a-polling Condolences on your loss of one hour of sleep this weekend.

Photo by Manjunath Kiran/AFP/Getty Images

http://www.businessinsider.com/economic-and-health-effects-of-daylight-saving-time-2014-3?utm_source=slate&utm_medium=referral&utm_term=partner" rel="nofollow - This post originally appeared in http://www.businessinsider.com/?utm_source=slate&utm_medium=referral&utm_term=partner" rel="nofollow - Business Insider.

http://www.businessinsider.com/when-is-daylight-saving-time-2014-3?utm_source=slate&utm_medium=referral&utm_term=partner" rel="nofollow - Daylight saving time is about to start , and an interesting thing that you might not realize is how such a small shift in our time can have a large impact on our body clock and our health. These negative impacts of daylight saving time even cost us real money in lost productivity.

DST starts at 2 a.m. (the clock gets turned forward to 3 a.m.) on the second Sunday in March and ends at 2 a.m. (the clock gets turned back to 1 a.m.) on the first Sunday of November. That means our clocks spring forward an hour this Sunday, March 9. This is the "bad" time change, since it means we lose an hour of sleep over night.

It was enacted during World War I to decrease energy use. Benjamin Franklin first advocated for the practice in 1784 because he noticed that people used candles at night and slept past dawn in the mornings. By shifting time by an hour during the summer, they would burn fewer candles and not sleep through the morning sunlight.

http://phys.org/news/2014-03-daylight-energy.html" rel="nofollow - The debate still rages as to whether this time-switch does save energy, but along the way we've seen signs that it has negative effects on our health and the economy.

Surprising Health Impacts

Transitions associated with the start and end of DST disturb sleep patterns and make people restless at night, which results in sleepiness the next day. This is true even during a "fall back" period, since when we fall back, we might have trouble adjusting to going to sleep "later" after the time change.

One pretty obvious study in http://www.sciencedirect.com/science/article/pii/S0304394006007038" rel="nofollow - Neuroscience Letters found that when people were transitioning their schedules after "springing forward," the quality of their sleep decreased and they slept an average of an hour less per night.

The resulting sleepiness leads to a loss of productivity and an increase in "cyberloafing," in which people muck around more on the computer instead of working. That finding was from a 2012 report in the http://psycnet.apa.org/journals/apl/97/5/1068/" rel="nofollow - Journal of Applied Psychology.

During the first week of DST (in the late winter) http://philadelphia.cbslocal.com/2013/03/09/daylight-saving-time-could-have-an-impact-on-your-health/" rel="nofollow - there's a spike in heart attacks , according to a study in the American Journal of Cardiology (and other previous studies). That's because losing an hour of sleep increases stress and provides less time to recover overnight. The opposite is true when we gain an extra hour of sleep. The end of daylight saving time causes a http://www.health.harvard.edu/blog/fall-back-from-daylight-savings-time-may-be-good-for-the-heart-201111043760" rel="nofollow - decrease in heart attacks.

Deadly car crashes decrease during DST (the spring, summer, and fall), because it's more likely to be light out when there are more people on the road, for example going to and returning from work or school.

But that's not likely true on the Monday after DST starts. Groggy people driving in the dark are more prone to accidents. Getting some extra sun in the morning, going to sleep earlier, or sleeping in slightly could help.

Research has found that having DST all year round could decrease deaths from traffic accidents even more—saving up to 366 lives, according to a 2004 study in the http://www.sciencedirect.com/science/article/pii/S0001457503000150" rel="nofollow - journal Accident Analysis & Prevention.

Accidents at work happen more often and are more severe after springing forward, according to a study of miners published in http://psycnet.apa.org/journals/apl/94/5/1305/" rel="nofollow - the Journal of Applied Psychology in 2009.

A study published in 2008 in the http://onlinelibrary.wiley.com/doi/10.1111/j.1479-8425.2007.00331.x/abstract" rel="nofollow - journal Sleep and Biological Rhythms found an uptick in suicides in Australian men during the first weeks after daylight saving time.

There may be cognitive effects as well. A 2011 study in the http://psycnet.apa.org/journals/npe/4/1/44/" rel="nofollow - Journal of Neuroscience, Psychology, and Economics found that students in counties where DST was observed had http://www.businessinsider.com/daylight-saving-time-affect-on-intelligence-2012-3" rel="nofollow - SAT scores that were 2 percent lower than those of students who didn't have to spring forward or fall back.

How DST Gets Us Down

The impacts of DST are likely related to our body's internal circadian rhythm, the still-slightly-mysterious molecular cycles that regulate when we feel awake and when we feel sleepy, as well as our hunger and hormone production schedules.

Light dictates how much melatonin our bodies produce. When it's bright out, we make less. When it's dark, our body ramps up synthesis of this sleep-inducing substance. Just like how jet lag makes you feel all out of whack, daylight saving time is similar to scooting one time zone over for a few months.

The problems with DST are the worst in the spring, when we've all just lost one hour of sleep. The sun rises later, making it more difficult to wake in the morning. This is because we reset our natural clocks using the light. When out of nowhere (at least to our bodies) these cues change, it causes major confusion.

Like anytime you lose sleep, springing forward causes decreases in performance, concentration, and memory common to sleep-deprived individuals, as well as fatigue and daytime sleepiness.

Night owls are more bothered by the time changes than morning people. For some, it can take up to three weeks to recover from the sleep schedule changes, according to a 2009 study in the http://www.sleep-journal.com/article/S1389-9457%2808%2900318-3/abstract" rel="nofollow - journal Sleep Medicine . For others, it may only take a day to adjust to this new schedule.

That's Not All

All of these impacts have economic costs too. An http://api.viglink.com/api/click?format=go&key=52e016ee10e229af88edc396a27d25c9&loc=http%3A%2F%2Fwww.huffingtonpost.com%2F2013%2F03%2F10%2Fdaylight-saving-time-cost-financial-lost-sleep_n_2813799.html&v=1&libId=9e3f3330-cd05-4834-83aa-a9cb7c5202a1&out=http%3A%2F%2Fsleepbetter.org%2FLost-Hour-Economic-Index%2F&ref=https%3A%2F%2Fwww.google.com%2F&title=Daylight%20Saving%20Time%20May%20Cost%20America%20%24434%20Million%20From%20Lost%20Sleep%2C%20Index%20Shows&txt=new%20index&jsonp=vglnk_jsonp_13827274891936" rel="nofollow - index from Chmura Economics & Analytics , released in 2013, suggests that the cost could be up to $434 million in the U.S. alone. That's an estimated total of all of the health effects and lost productivity mentioned above.

Other calculations suggest this http://www.aei-ideas.org/2013/03/daylight-savings-time-costs-about-2-billion-each-year/" rel="nofollow - cost could be up to $2 billion —just from the 10 minutes twice a year that it takes for every person in the U.S. to change their clocks. (If you calculate 10 minutes per household instead of per person this "opportunity cost" is only $1 billion.)

http://www.slate.com/blogs/business_insider/2014/03/08/when_is_daylight_saving_time_it_starts_march_9_and_it_s_bad_for_your_health.html





Replies:
Posted By: Lite Brite
Date Posted: Mar 08 2014 at 2:11pm
I feel like it's worse for my (mental) well-being when it gets dark earlier because if I stay just an hour late (6P) at work it's already dark and although, rationally, I know the day isn't over.. it still makes me feel like I have NO time to get everything done... and I tend to "give up" and procrastinate more, which leads to more stress, fat, cholesterol, insulin, cancer and all of that (semi-reach)


When I was kid I liked when it got dark early.. now I'm grown and hate it Cry

I'm not concerned about the sleep part.. I'm going to see if I notice any changes


Posted By: Marcelo22
Date Posted: Mar 08 2014 at 2:15pm
Damn I didn't kno it was tomorrow. I'm catching a flight. The clock is going back right.


Posted By: melikey
Date Posted: Mar 08 2014 at 2:16pm
i think it's stupid to change time for 4 months. I know i have tomorrow to recover for monday morning but it causes all sorts of issues, i'm changing all my clocks, everything else. i hate it.


Posted By: pinkdiemond
Date Posted: Mar 08 2014 at 2:20pm
great.... i have surgery monday  and have to be there at 4:15 am


Posted By: Sang Froid
Date Posted: Mar 08 2014 at 2:21pm
I only have to work 7 hrs. then.


Posted By: HeyBeautiful18
Date Posted: Mar 08 2014 at 2:24pm
It honestly doesn't bother me. By Monday i am fine..

Gaining more sunlight in the evening is nice


Posted By: reesegurl11
Date Posted: Mar 08 2014 at 2:27pm
Originally posted by Marcelo22 Marcelo22 wrote:

Damn I didn't kno it was tomorrow. I'm catching a flight. The clock is going back right.


You spring forward and fall back so it's going up an hour


Posted By: marumaruyobi
Date Posted: Mar 08 2014 at 4:00pm
I hate it so much.


Posted By: ModelessDiva
Date Posted: Mar 08 2014 at 4:18pm

I like daylight savings time

Doesn't get dark as earlier. More sunshine.

I wish they would leave it alone though. Keep it daylight savings time forever.



Posted By: PurplePhase
Date Posted: Mar 08 2014 at 5:40pm
this could be healthy though.

from the LOL thread



Posted By: Lady ICE
Date Posted: Mar 08 2014 at 7:23pm
we dont do it here.

but im gonna be so messed up when i finally leave this place....Cry


Posted By: AshBash89
Date Posted: Mar 08 2014 at 7:25pm
Ice where you at?


Posted By: ChubbyYeti
Date Posted: Mar 08 2014 at 8:13pm
AZ doesn't have it either.


Posted By: Lady ICE
Date Posted: Mar 08 2014 at 8:50pm
in az. 


Posted By: TayTay
Date Posted: Mar 08 2014 at 9:27pm
I don't lose sleep since i sleep for 9-10 hours every night lol.

I like when the days are long. I feel like you can get more done and of course, summer partys Cool


Posted By: thickblkbarbie
Date Posted: Mar 09 2014 at 1:05am
Just lost a hour... Oh well I slept plenty today .. I feel refresh.. Hmm but why I am still up lol


Posted By: DiorShowGirl
Date Posted: Mar 09 2014 at 4:39am
Originally posted by pinkdiemond pinkdiemond wrote:

great.... i have surgery monday  and have to be there at 4:15 am



Hug


Posted By: Printer_Ink
Date Posted: Mar 09 2014 at 5:46am
I love DST here in The Netherlands.

At it's height .. like June or July it doesn't get dark until about 10:45PM so you can be out late ... and not even realize it.

Then about 5:45AM .... it's broad daylight again!



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