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Every episode
Sleep Tight Science - A Bedtime Science Podcast For Kids
30 episodes
Fun Facts: Meat-Eaters, Giants, and the Strangest Dinosaurs 🦕
Aug 12, 2026 · 25 min
In this episode we are going to share some facts about dinosaurs. We have other episodes on dinosaurs which you can find on our feed, but like you we still like to learn more about these fascinating creatures. The inspiration for the episode came from your questions and a new book full of many fun and fascinating facts about things that go roar - or at least we think went roar. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s…
Why Is Our Brain in Our Head? 🧠
Aug 5, 2026 · 23 min
In this episode, Shiying asked us why our brain is in our head and the answer took us back more than 500 million years to some of the earliest animals with a clear front end and back end. It's an interesting question, one which we don't often answer because we think the answer is obvious right up until the moment you actually try to answer it. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s questions and thoughts. Sleep Tigh…
Do you know about trees? 🌲 (New version)
Jul 29, 2026 · 18 min
Have you ever wondered about how trees grow? How can you tell how old they are? or Why are trees so important? In this episode we are going to talk about all these things. With the help of Craig Tupper, a forester in New Brunswick Canada, we are going to try and answer some questions about trees. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s questions and thoughts. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- ✨ Want…
Do you know about jets? ✈️🛫🌍🛬 (Encore vroom)
Jul 22, 2026 · 24 min
In this encore episode of Sleep Tight Science, we’re learning all about jets! What makes a jet different from other airplanes? How do jet engines work? And why are jets so fast? We’ll learn about the science of thrust, engines, and speed—and finish with some fun facts. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- 📢 Send us your topics at hello@sleeptightscience.com , or leave a voice mail on our website: https://www.sleeptightscience.com. ✨ Want more…
Do you know about mosquitoes? 🦟 ( Buzzy Encore )
Jul 15, 2026 · 27 min
In this encore episode, we’ll explore the fascinating world of mosquitoes. You’ll learn what they are, why they buzz in our ears, why only some bite, and how they find us. We’ll also discover what happens after a bite, how mosquitoes grow up, and even a few surprising ways they help nature stay in balance. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- 📢 Send us your topics at hello@sleeptightscience.com , or leave a voice mail on our website: https://www.sleep…
Listener Questions: Stars, the Universe, and Deep Time ✨ ⭐
Jul 8, 2026 · 28 min
In this episode, four listeners ask four of the biggest questions in astronomy. We explore how the universe went from total darkness to its first stars, what a light-year really means, and what eventually happens to our sun. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s questions and thoughts. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- ✨ Want more science and fewer interruptions? Join Sleep Tight Premium …
Listener Questions: Plants, Seeds, and the First Green Thing 🌱🍃
Jul 1, 2026 · 27 min
In this episode we have two questions from two six-year-olds living on opposite sides of the world. Nora Peng is six years old and lives in Hangzhou, China. Yumi is six years old and lives in Florida in the United States. Nora Peng wants to know where the very first seed on Earth came from. And Yumi wants to know how plants get their colour. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s questions and thoughts. Sleep Tight!, She…
Listener Questions: Chameleons, Octopuses, and Living Colour 🦎🐙
Jun 24, 2026 · 26 min
In this episode we have three super questions. One from Callum is 6 years old and lives in Manchester, England. He wants to know how chameleons change colour. Next, Albert who is 5 years old and lives in Maine, wants to know something very specific — can chameleons turn white? And Cora who is 8 years old and lives in the Pacific Northwest, wants to know how octopuses change colour. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s…
How Things Work: Why Is Air Invisible? 🌬️🔍
Jun 17, 2026 · 27 min
In this episode we are going to try and find out what air actually is and why it counts as real matter — because it does, even though it behaves as if it has nothing to prove. Then we'll look at what your eyes actually need in order to see something, and why air usually doesn't give them enough to work with. And then we'll go looking for clues — because invisible things leave evidence, if you know where to look. Grown-ups: we value your feedback. Our email and message link are in the episode not…
Understanding Animals: Do You Know About the Capybara? 🦫
Jun 10, 2026 · 25 min
In this episode we are going to learn all about the Capybara, which has become famous for being extraordinarily calm, for sitting in hot springs, and for apparently allowing other animals to use it as a piece of furniture. Including birds, monkeys and small reptiles. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s questions and thoughts. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- ✨ Want more stories and fewer interruptions? Join Sle…
Understanding Animals: Do You Know About the Eagle? 🦅
Jun 3, 2026 · 28 min
In this episode, we will learn all about eagles. We will discover how their eyes can spot a fish from three kilometres away, how their bodies are perfectly designed for hunting and flight, and why they build the largest nests of any North American bird. And we will talk about Clark's cookie habit. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s questions and thoughts. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- ✨ Want more stories an…
Fun Facts: Bodies, Beasts, and the Big Beyond 🧠🐾🚀
May 27, 2026 · 23 min
In this episode were are returning to one of our favourite and fun formats; fun facts! We have three lists with three different topics. We'll start with some surprising facts about the human body. Then we'll learn about the animal kingdom, where things get a little strange. And then we'll zoom all the way out to outer space. We will be covering a lot of different things. Let us know if you like it! Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send…
Understanding Animals: Do you know about crocodiles? 🐊
May 20, 2026 · 27 min
In this episode we are going to learn all about crocodile, and hopefully, if you are listening to this before bed, get a good nights rest too. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s questions and thoughts. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- ✨ Want more stories and fewer interruptions? Join Sleep Tight Premium for ad-free listening, bonus bedtime stories every week, and personalized shout-outs for your little ones! S…
Understanding Animals: Do You Know About the Hedgehog? 🦔
May 13, 2026 · 26 min
In this episode, we learn about how hedgehog spines actually work, why hedgehogs can hunt venomous snakes without being hurt, what really happens to their body during hibernation, and a strange behaviour involving foam that scientists still can't fully explain. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s questions and thoughts. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- ✨ Want more stories and fewer interruptions? Join Sleep Tig…
Listener questions: The Science of Bioluminescence 🌊✨
May 6, 2026 · 26 min
In this episode, we're going to find out how bioluminescence works, where it lives, and what scientists have discovered by studying creatures that glow in the dark. We'll go very deep into the ocean, and we'll meet some of the most interesting living things on Earth. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s questions and thoughts. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- ✨ Want more stories and fewer interruptions? Join Sle…
Do You Know Why Screens Are So Hard To Put Down? 📺
Apr 29, 2026 · 25 min
In this episode, we're going to look at what science says about looking at screens. Researchers are still learning about the effects of staring at the screens of our devices, but what they've found so far explains a lot. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s questions and thoughts. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- ✨ Want more stories and fewer interruptions? Join Sleep Tight Premium for ad-free listening, bonus b…
Understanding Animals: Do You Know About the Flamingo? 🦩
Apr 22, 2026 · 25 min
Have you ever seen a flamingo and thought — that can't be a real animal? The colour alone is almost too much. That particular shade of pink, standing in the water, reflected back up from the surface. It looks like something someone painted. But they are real, and in this episode we are going to find out all about them. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s questions and thoughts. Sleep Tight!, Sheryl & Clark ❤️👂📖 ---…
Understanding Animals: Do you know about the Octopus? 🐙
Apr 15, 2026 · 35 min
In this episode, we're going to find out how the octopus thinks, how it hides, how it hunts, and why it might be the most fascinating animal in the ocean. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s questions and thoughts. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- ✨ Want more stories and fewer interruptions? Join Sleep Tight Premium for ad-free listening, bonus bedtime stories every week, and personalized shout-outs for your li…
Understanding Animals: Do you know about the Rhinoceros? 🦏
Apr 8, 2026 · 33 min
In this episode we are going to learn all about the Rhinoceros, and try something new! We have included a story about Rhino and Pip who will help us learn all about the life a rhino on the Savannah. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s questions and thoughts. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- ✨ Want more stories and fewer interruptions? Join Sleep Tight Premium for ad-free listening, bonus bedtime stories every w…
Understanding Animals: Do you know about the Arctic Hare? 🐇❄️
Apr 1, 2026 · 28 min
In this episode, we're going to meet the Arctic hare. The Arctic hare lives in one of the coldest, most remote places on Earth, the frozen tundra of northern Canada and Greenland, and it has some of the most amazing adaptations of any animal we can remember covering on our show. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s questions and thoughts. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- ✨ Want more stories and fewer interruptio…
Understanding Animals: Do you know about Giraffes? 🦒
Mar 25, 2026 · 25 min
In this episode, we’re going to explore the giraffe. We will learn how its long neck works, how that enormous heart keeps everything moving, and how giraffes eat, sleep, and stay safe in one of the wildest places on Earth. We’ll even meet a baby giraffe, and discover that its very first moment in the world is quite dramatic. We have saved some big words for you too. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s questions and th…
Listener Questions: Your Body Is Weird and Wonderful, Part 2 🧬 🦠 👣
Mar 18, 2026 · 24 min
This episode is Part 2 of our Weird and Wonderful series — and if Part 1 was about pain and itching and boo boos, Part 2 is about the other kind of body science. The kind that makes you giggle a little. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s questions and thoughts. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- ✨ Want more stories and fewer interruptions? Join Sleep Tight Premium for ad-free listening, bonus bedtime stories eve…
Listener Questions: Your Body Is Weird and Wonderful, Part 1 🧠 ⚡ 🧬
Mar 11, 2026 · 27 min
In this listener questions episode we try to answer questions about our bodies. Why things hurt. Why things itch. And why our body sometimes does things that seem completely strange - until science explains them. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s questions and thoughts. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- ✨ Want more stories and fewer interruptions? Join Sleep Tight Premium for ad-free listening, bonus bedtime s…
Making & Creating: How Books Are Made 📚
Mar 4, 2026 · 31 min
We have a super big topic in this episode.We are going to try and answer the question, How are books made? We start with how paper is made, then, we'll explore how words and images get printed on those sheets. and finally, we'll see how printed pages are bound together to become the books you hold, read, and love. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s questions and thoughts. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- ✨ Wan…
Making & Creating: How Rockets Work 🚀🧑🚀
Feb 25, 2026 · 29 min
In this episode we are going to try and answer the following question: How do rockets work—what makes them powerful enough to escape Earth's gravity and travel to space? Did you know that all our topics are submitted by you our listeners? Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s questions and thoughts. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- ✨ Want more stories and fewer interruptions? Join Sleep Tight Premium for ad-free…
Making & Creating: How Is Chocolate Made? 🍫
Feb 18, 2026 · 29 min
In this episode, we're starting something new: a series of topics called Making & Creating, where we explore how people make things—from raw materials all the way to the finished products you see, use, and sometimes taste every day. In this episode, we are going to try and answer the following question: How is chocolate made—from a tree all the way to the chocolate bar you unwrap? Sounds yummy. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us…
The Science of You: How Your Heart & Circulation Work ❤️
Feb 11, 2026 · 27 min
In this episode we are going to try and answer the following questions: How does your heart work—and how does blood travel through your whole body and back again? We'll start with what your heart is and how it pumps, then, we'll follow the journey blood takes through your body, finally, we'll explore why your heart speeds up and slows down, and what you can notice about your own heartbeat. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your…
The Science of You: How Gratitude Changes Your Brain 🧠🔬
Feb 4, 2026 · 26 min
In this episode we are going to try and answer the following questions: What is gratitude, and how does practicing it actually change your brain? We'll start with what gratitude is and why your brain naturally has a harder time noticing good things than noticing problems. Then, we'll explore what happens inside your brain when you feel grateful -- which parts light up, what chemicals get released, and why it feels the way it does. Finally, we'll look at how practicing gratitude creates new pathw…
Fun Facts: Snow, Shadows, Seeds & Space! ❄️🌍🚀
Jan 28, 2026 · 30 min
In this fun facts episode, we are covering all kinds of fun topics including why snow sparkles, shadows, Australia facts, and space stuff. Lots of fun facts to remember as you fall off to sleep. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s questions and thoughts. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- ✨ Want more stories and fewer interruptions? Join Sleep Tight Premium for ad-free listening, bonus bedtime stories every week,…
The Science of You: Nightmares & Sleep Cycles 😴
Jan 21, 2026 · 29 min
In this episode we are going to try and answer the following questions: Why do we have nightmares—and what's happening in our brain while we sleep? We'll start with what sleep cycles are and the different stages your brain moves through each night. Then, we'll explore what dreams and nightmares are, and why they happen. Finally, we'll talk about what you can do when bad dreams visit, and why they're actually a normal part of how your brain learns and processes the world. Grown-ups: we value your…
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