Can You Sleep With Your Eyes Open?

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How Did Sundown Towns Say the Quiet Part Out Loud?

Sundown towns are places in the United States where, after the Civil War and Reconstruction, white communities kept Black Americans and other groups out for decades, on purpose. Learn how they came to be -- and how some sundown towns are in recovery -- in today's episode of Brain ... Show more

. 11min 36sec

Why Do We Yawn, and Why Is It Catching?

Science isn't entirely sure why humans and other animals yawn, let alone why yawning can be contagious -- but we've got some good hypotheses. Learn about them, from cooling the brain to spreading alertness, in today's episode of BrainStuff, based on these articles: https://scienc ... Show more

. 12min 3sec

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Why do some people sleep with their mouths open?

Do you really know?

Let’s be honest, sleeping with an open mouth isn’t the most graceful of images, but in reality it’s pretty common. If you’ve ever woken up with a dry mouth or a puddle of drool on your pillow, maybe it happened to you. One of the reasons is because the muscles in our face stay t ... Show more

. 4min 24sec