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Freakonomics, M.D.

28. Is Daylight Saving Time Hazardous to Your Health?

Freakonomics, M.D.

Freakonomics Radio + Stitcher

Society & Culture, Science

4.81.1K Ratings

🗓️ 11 March 2022

⏱️ 25 minutes

🧾️ Download transcript

Summary

Changing the clocks has been linked to car accidents and heart attacks. This week, Bapu Jena sheds some light on the damage we might be doing by springing forward and falling back.

Transcript

Click on a timestamp to play from that location

0:00.0

It happens every year like clockwork.

0:06.0

We're all feeling a little off today, and we know why.

0:08.8

Well, actually, it is clockwork.

0:10.7

The devil's clockwork, some might say.

0:13.1

It's daylight savings time.

0:15.7

Yeah, it's my least favorite holiday.

0:18.7

For one thing, the parade is horrible.

0:21.8

That's right.

0:22.4

I'm talking about daylight saving time.

0:24.9

And let me say right here at the start that it's

0:27.7

saving, not savings.

0:30.0

There's no S.

0:31.1

I know as if we needed more confusion around this event.

0:34.2

Anyway, one day, every spring,

0:36.5

across most of North America and Europe,

0:38.9

and some other scattered places around the world,

0:41.7

everyone switches their clocks ahead by one hour,

0:44.8

turning one Sunday a year into a 23 hour day.

0:48.6

And suddenly, overnight, it's still light out at 7 p.m.

0:53.0

Of course, it's not darker at 7 a.m.

0:55.8

But eventually, that morning darkness goes away,

0:58.8

and we're left with our days being lighter later.

...

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