But Why?: Why Do We Need To Sleep?

Why do people need to sleep?

How do we actually go to sleep? How does sleeping get rid of toxins in the brain? And how come when it’s nighttime I don’t want to go to sleep but when it’s morning I don’t want to wake up?! Those questions and more, all about sleep. We’re joined by pediatric sleep psychologist Dr. Lisa Meltzer.

Download our learning guides: PDF | Google Slide | Transcript

 

But Why is a show led by you, kids!

You ask the questions and we find the answers. It’s a big interesting world out there. On But Why, we tackle topics large and small, about nature, words, even the end of the world.


Science Topics
Anatomy & Physiology, Biology, Health & Medicine
K-6, Middle School
4th Grade, 5th Grade, 6th Grade, 7th Grade, 8th Grade
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