Hi, we've got three stories from Curiosity.com to help it get smarter in just a few minutes.

I'm Cody Gough.

And I'm Ashley Hamer.

Today you'll learn about why regular bedtimes aren't just for kids, a toxin in a tree that's

been called the perfect murder weapon and the best word you can say to convince people you're not a robot.

Let's satisfy some curiosity. You know how when you grow up and become an adult you can basically do whatever you want, like have pizza for breakfast or ice cream anytime.

And then you learn it's actually really bad for you to eat pizza and ice cream every single day.

But we've got some bad news for you.

According to a recent study, adults should also have a regular bedtime.

Irregular sleep might be bad for your health. This is a story that I am not happy about. I have

some work to do on my schedule. I'm good at waking up at the same time, but of course

going to bed at different times and waking up at the same time is not good for your overall sleep schedule and that's kind of what I do.

Yeah, well take this as a cautionary tale.

This study was led by Duke University researchers and Well, take this as a cautionary tale.

This study was led by Duke University researchers

and published in scientific reports in September.

Sleep research in the past has looked more

at how deeply people sleep and how long they sleep each night, but this study focused on a thing

called sleep regularity or sleep hygiene. The researchers used a relatively new metric called

the sleep regularity index to analyze the sleep cycles of almost 2,000 adults

aged 54 to 93. Participants wore digital wrist devices to track the exact times they went to bed

and woke up every day.

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