Episodes

It’s a curious, cozy, science-filled journey—perfect for bedtime or anytime wonder strikes.

A bedtime science show for kids all about mosquitoes.

In this bedtime science episode we learn all about jets.

Perfect for fans of wildlife, nature, bedtime stories, animal science, and curious young minds.

Halfway through recording our latest episode, Sheryl's voice started to sound like a frog, and then like something else we couldn't identify. Sheryl caught a virus that is causing her to cough and affecting her voice. She should be back to normal next week, and with a new episode. Otherwise, you might have to listen to me (Clark) talking to you about science. 😳 Did you know? In this episode of Sleep Tight Science, we are going to start to learn all about Robots and try to answer some of the que...

In this episode, we will learn all kinds of fascinating science from the questions you sent in! Questions like why we feel pain, and how it's our body's way of protecting us by sending warning signals to the brain. Why we vomit, and the amazing teamwork between your brain and belly that helps protect you from things that might make you sick. Then we learn why buses are so bumpy, especially in the back. Next, we will travel back in time to learn about the ancient Greeks' contributions to science,...

Clark is working on Season 5 of Sleep Tight Science—and we’d love your help! What science topics do you want to hear next? Should we change the music? Make the episodes longer? Shorter? Or something totally new? Talk it over with your grown-ups and send us your ideas by email (Email us at ⁠⁠⁠⁠hello@sleeptightscience.com⁠⁠⁠⁠ or via our website). If we use your suggestion, you’ll get a special shoutout in an upcoming episode! We can’t wait to hear what you come up with. Sleep Tight!, Shery...

Perfect for sparking bedtime curiosity or thoughtful family chats, this episode blends science, storytelling, and compassion to help young listeners understand—and care about—these fuzzy, tree-hugging creatures from down under.

In this calming and curiosity-sparking episode of Sleep Tight Science, we explore the fascinating world of memory.

In this episode of Sleep Tight Science , we learn all about the world of jellyfish! Discover why jellyfish aren’t really fish, how they sting, what they eat, and the incredible ways they glow, swim, and grow. From tiny Irukandji to the giant lion’s mane, you’ll learn all about where jellyfish live, how they move, and their strange life cycle. Sleep Tight!, Sheryl & Clark ❤️👂📖 ✨ Want more stories and fewer interruptions? Join Sleep Tight Premium for ad-free listening, bonus bedtime stori...

In this episode of Sleep Tight Science , we take a colorful journey through the science of sunlight, scattering, and the atmosphere to find out why the sky looks blue during the day and red at sunrise and sunset. We’ll explore what light really is, how it behaves, and why the sky on other planets can look completely different! This calming, curiosity-sparking episode is perfect for kids who love to wonder about the world around them, and above them. Sleep Tight!, Sheryl & Clark ❤️👂📖 ✨ Want...

In this episode, we’ll answer some of the questions you’ve sent in!

Semiconductors might be tiny, but they do BIG things! In this episode of Sleep Tight Science, we explore what semiconductors are, how they’re made, and why they’re so important in everything from smartphones and laptops to space rockets and self-driving cars. This episode is perfect for curious minds who love asking questions like How do computers work? or What makes my phone so smart? Sleep Tight!, Sheryl & Clark ❤️👂📖 ✨ Want more stories and fewer interruptions? Join Sleep Tight Premium f...

In this episode, we're going to start to learn all about the amazing field of computer science. We'll talk about what computers really do, how we can talk to them using code, and how they follow step-by-step instructions called algorithms. We'll even explore a big question: can computers learn? And finally, we'll think about how you might learn computer science someday—and what you could do with those skills.

In this episode, we'll learn all about cats and dogs—but not the kind that curl up on your couch or chase tennis balls in your backyard. We will explore facts about wild cats and dogs—the fierce, the fast, and … the faunal!? Sleep Tight!, Sheryl & Clark ❤️👂📖 --- Please check out: www.abcmouse.com/sleeptightscience --- Support Us 👉 Join Premium for AD FREE listening and extra bedtime stories! 👉 Sleep Tight Premium is now available in Apple Podcasts! 🎉 ⭐⭐⭐⭐ Leave a review wherever you li...

In this episode, we will explore how batteries work, how they are made, the different types you might find at home or school, and why some gadgets gobble up more power than others. We'll even look at some wild, wacky, battery-powered inventions that might spark your imagination. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- Support Us 👉 Join Premium for AD FREE listening and extra bedtime stories! 👉 Sleep Tight Premium is now available in Apple Podcasts! 🎉 ⭐⭐⭐⭐ Leave a review wherever you listen...

In this episode, we're going to take a close-up look at both locomotives and trains. We'll discover how they work, why they're so important, and how they've changed over time—from the chugging steam trains of the past to the sleek, high-speed trains of today. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- Support Us 👉 Join Premium for AD FREE listening and extra bedtime stories! 👉 Sleep Tight Premium is now available in Apple Podcasts! 🎉 ⭐⭐⭐⭐ Leave a review wherever you listen to podcasts, or shar...

In this episode, we are going to answer more of your questions and a few fun facts. We will journey to the icy world of Pluto, meet the adorable underwater axolotl (ACK-suh-lot-ul), learn about the atmosphere, and discover what your teeth are really made of! And there is a really hard section too full of all kinds of chemical formulas! We hope you learn something as you drift off to sleep. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- Support Us 👉 Join Premium for AD FREE listening and extra bedti...

Sleep Tight!, Sheryl & Clark ❤️👂📖 --- Support Us 👉 Join Premium for AD FREE listening and extra bedtime stories! 👉 Sleep Tight Premium is now available in Apple Podcasts! 🎉 ⭐⭐⭐⭐ Leave a review wherever you listen to podcasts, or share our podcast with your friends. 📢 Have an interesting science topic you would like to investigate? Send us an email at hello@sleeptightscience.com , and we may feature it in an upcoming show. --- About Sleep Tight Science We’ve got bedtime down to a (Sleep ...

In this fun facts episode, we will learn the secrets of the senses, ranging from flies tasting with their feet to owls hearing a mouse step on a twig from 23 meters away. Then, we will explore the world of inventions, learning how creativity, curiosity, and even accidents can lead to amazing discoveries like Band-Aids. We will also travel back in time to learn about mummies—how they were made, where they can be found, and even the strange and surprising ways nature preserves them. Finally, we wi...

In this episode, we’ll discover why yawning isn’t just about being tired—it helps cool your brain and can even be contagious! We’ll explore the nature of time and why building a time machine isn’t as simple as it sounds. We’ll also uncover why eating salty foods makes us thirsty and how different countries developed their languages over time. Finally, we’ll look at why children need parents and how this is similar to animals in the wild, where young creatures learn essential survival skills from...

In this episode, you'll learn all about beavers! Discover how these skilled rodents shape their environment by building dams, lodges, and canals. Explore their unique adaptations—like waterproof fur, webbed feet, and ever-growing teeth—that help them thrive in water. You'll follow their life cycle from playful kits to hardworking adults, find out what's on their menu, and see how their underwater food storage helps them survive winter. Plus, learn how their engineering creates wetlands that supp...

In this episode, we are going to learn about one of our favourite birds—the Canada goose! We’ll learn how these birds communicate, why they fly in a V-formation, and what makes them such devoted parents. Plus, we’ll discover why some geese travel thousands of kilometres while others stay put and how their growing presence can sometimes lead to conflicts with humans. Whether soaring through the skies or waddling through city parks, we think Canada geese are very cool! Sleep Tight!, Sheryl & Clar...

In this episode, we’ll explore the world of carnivores—meat-eaters big and small, from lions and sharks to ladybugs and even plants! We’ll learn how they fit into the food chain, the different types of carnivores, and the special skills that make them expert hunters. From sharp teeth and powerful claws to sticky webs and sneaky traps, carnivores have incredible adaptations for survival. Plus, we’ll discover why they’re so important for keeping nature in balance. Sleep Tight!, Sheryl & Clark --...