Too Much Sleep Can Be Harmful, Why You Can’t Tickle Yourself, and Black Hole Light Echoes

Curiosity Weekly

Warner Bros. Discovery

Self-improvement, Science, Astronomy, Education

4.6 • 935 Ratings

🗓️ 10 February 2019

⏱️ 8 minutes

🔗️ Recording | iTunes | RSS

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Summary

Learn about why too much sleep may be just as harmful as too little; what light echoes detected by NASA might be able to teach us about how black holes evolve over time; and why you can’t tickle yourself.

In this podcast, Cody Gough and Ashley Hamer discuss the following stories from Curiosity.com to help you get smarter and learn something new in just a few minutes:

Too Much Sleep May Be Just as Harmful as Too Little — https://curiosity.im/2DPVnDZ
Light Echoes from a Black Hole Were Detected by an Instrument Aboard the ISS — https://curiosity.im/2MTuvWA
Can't Tickle Yourself? That Means Your Brain Is Good Working Order — https://curiosity.im/2DRtITc

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Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/too-much-sleep-can-be-harmful-why-you-cant-tickle-yourself-and-black-hole-light-echoes

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Transcript

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0:00.0	Hi, we're here from Curiosity.com to help you get smarter in just a few minutes.
0:04.8	I'm Cody Gough.
0:05.7	And I'm Ashley Hamer.
0:06.7	Today you learn why too much sleep may be just as harmful as too little, and what light echoes
0:11.6	detected by NASA might be able to teach us about how
0:14.2	black holes evolve over time. We'll also answer a Lister question about why you can't
0:18.6	tickle yourself. We talk a lot on this podcast about the benefits of sleep, but
0:24.5	pump the breaks before you crash for 10 hours this Friday or Saturday night.
0:28.2	Research suggests that too much sleep could be just as harmful as too little.
0:33.2	This is bad news for Cody.
0:35.2	Oh no, yeah.
0:36.6	How late do you sleep in on weekends?
0:38.4	You don't want to know.
0:40.0	I'm actually not that bad.
0:41.4	Well, in 2016, a study in the International Journal of Cardiology
0:45.3	looked at the sleep habits of nearly 400,000 Taiwanese adults
0:49.3	over seven years.
0:50.8	It found that when compared to people who slept six to eight hours per night,
0:54.4	those who slept less than four hours per night increased their risk of dying from
0:58.4	heart disease by 34%. But get this, those who slept more than eight hours per night, nearly identical.
1:06.0	Their risk of dying from heart disease increased by 35%.
1:10.0	Likewise, a 2015 study in the journal Nureology found that people who slept more than eight hours
	...

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