Sleep Tight Science - A Bedtime Science Show For Kids

Sleep Tight Science - A Bedtime Science Show For Kids

We’ve got bedtime down to a (Sleep Tight) Science! Sleep Tight Science is an engaging bedtime show that makes science accessible and enjoyable for the whole family. Snuggle in and drift off to sleep while learning about science topics submitted by listeners! Designed for curious young minds (but simple enough for grown-ups to understand), Sleep Tight Science uses big words to answer big questions that kids wonder about, like why do we feel icky sometimes and how do our legs help us move? Learn something new about the natural world while drifting off to dreamland. Have an interesting science question or a topic you’re curious about? Email us at hello@sleeptightscience.com, and it might just be the focus of an upcoming episode!

Episodes

Understanding Animals: Horses 🐎

November 19, 2025 • 33 mins
In this episode we are going to travel through time to see how horses evolved from tiny forest browsers into the powerful runners we know today. We'll discover how horses behave and communicate, explore their remarkable bodies, meet the wonderful variety of horses in the world today, and learn what makes a pony different from a horse. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please sen...
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Understanding Animals: Dogs 🐶

November 12, 2025 • 29 mins
In this episode we are going to learn about some of our best friends dogs. We'll answer three specific questions: First, why can't puppies see when they're born? Second, why don't Poodles shed their fur like Labradors do? And third, how can dogs wag their tails while doing many other things at the same time? By the end of this episode, you'll understand how puppies develop, why different breeds look so different, and how dogs becam...
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How things work: Submarines 🌊⚓🫧

November 5, 2025 • 28 mins
In this episode we explore how submarines dive, hover, and rise through the ocean. We'll discover the special ballast tanks that can fill with water or air to make the submarine heavier or lighter, learn about Archimedes' principle—the rule that explains why things float or sink—and find out how dive planes steer the boat up and down while the pressure hull keeps everyone safe from crushing water pressure.Grown-ups: we value your f...
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Animal Superpowers: Barn Owls 🦉🌙

October 29, 2025 • 31 mins
In this episode we will learn about the barn owl, a pale, ghostly hunter with two superpowers working in perfect harmony. We'll discover their asymmetrical ears that create a three-dimensional sound map, letting them pinpoint a mouse's exact location in complete darkness with pinpoint accuracy. And we'll explore their specially designed feathers—serrated leading edges, velvety surfaces, and fringed trailing edges—that make their fl...
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Animal Superpowers: Electric Eels ⚡🐟

October 22, 2025 • 31 mins
In this episode we will learn about the electric eel—a fish (yes a fish) with a triple-battery system that generates up to 860 volts of electricity. We'll discover how thousands of specialized cells stack together to create shocking power, explore the murky Amazon rivers where electricity became the perfect adaptation, and follow young eels as they grow from tiny hatchlings into full-powered predators. From navigation to hunting to...
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Animal Super Powers: Axolotls 🦎✨

October 15, 2025 • 28 mins
In this episode we learn about the axolotl, a remarkable salamander with not one but two superpowers. First, they can regenerate entire body parts, regrowing legs, tails, and even portions of their heart and brain with almost no scarring. Second, they've mastered the art of staying young forever, keeping their feathery gills and living their whole lives underwater instead of transforming into land-dwelling adults like other salaman...
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Animal Super Powers: Giant Pandas 🐼

October 8, 2025 • 24 mins
In this episode we explore three remarkable adaptations that help giant pandas thrive in the misty bamboo forests of China. We'll discover the "false thumb"—a special wrist bone that works like an extra finger for gripping slippery bamboo stalks. We'll learn how pandas manage a low-nutrition diet by eating for up to 16 hours a day while conserving energy between meals. And we'll explore how these solitary bears navigate steep mount...
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🤖 🔬 How are we doing? 🦠🧪

October 6, 2025 • 1 min
📢📢 We would love your feedback on season 5! Send us an email at hello@sleeptightscience.com⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ , and we will be very thankful. And, if you have any science questions, include them too!  --- About Sleep Tight Science We’ve got bedtime down to a (Sleep Tight) Science! Sleep Tight Science is an award winning bedtime podcast that makes science accessible and enjoyable for the whole family. Snuggle in and drift off...
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Animal Superpowers: Orangutans - Treetop Engineers 🦧🌙

October 1, 2025 • 26 mins
In this episode we learn how orangutans long arms and hand-like feet create extra leverage for hanging and reaching; why keeping the centre of mass below the branch makes wobbles settle; and how a gentle tug on a bendy sapling brings the next hold closer. We also learn about their nightly nests and simple tools. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s quest...
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Listener Questions: From Space to Skin ✨

September 24, 2025 • 25 mins
In this episode we answer four wonderful questions from curious kids around the world! From the Moon's reflected sunlight to the tiny muscles under our skin, we'll explore  science that connects the vastness of space to the wonders of our own bodies. Each answer includes simple explanations and something kids can notice or try at home. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please se...
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How Things Work: Swimming Pools and Buoyancy 💧

September 17, 2025 • 29 mins
Tonight we follow the pool’s “tiny river” to see how calm water stays clean—and why bodies float. We picture the hidden loop (skimmer → pump → filter → return jets), learn how chlorine and balanced pH keep water friendly, and then slip into the physics of floating—buoyancy, density, and displacement (with lungs as soft balloons). Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us ...
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How Things Work: How Helicopters Stay in the Air 🚁🌙

September 10, 2025 • 27 mins
In this episode, we picture a helicopter’s spinning rotor as a moving wing that makes lift; notice how blade pitchchanges lift; and hear how pilots use the collective (up/down), the cyclic (lean the “flying circle” to drift forward/sideways), and the pedals with the tail rotor to keep the nose steady. We touch on translational lift, ground effect, and the reassuring idea of autorotation—how helicopters can glide safely if the engi...
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How Things Work: Fidget Toys and Focus 🧠🌙

September 3, 2025 • 26 mins
Season 5 begins! In this episode we look at how fidget toys can help some brains focus—and why bedtime calls for softer tools. We explore attention as a gentle “spotlight,” meet the hidden sense of proprioception, try tiny visualizations, and learn the Three S’s for helpers: Silent, Simple, Small. Perfect for winding down while learning something real. Grown-ups: we value your feedback. Our email and message link are in the show n...
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🎉 Season Finale: from 3D Printing to Stardust 🖨️⭐🌌

August 27, 2025 • 22 mins
In this episode we're going to try our best to summarize 48 episodes of science discoveries—from 3D printers and ancient stardust, to why your body makes gas and Mars has a butterscotch sky. We'll revisit amazing body systems, blast off to explore space, and celebrate all the fantastic questions you've sent us. Plus, some fun facts that will make you the most interesting person at breakfast! Sleep Tight!,  Sheryl & Clark ❤️👂📖 ...
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Do you know about Stink Bugs? 👃 (Plug your nose encore)

August 20, 2025 • 26 mins
While we take a short break this week, we’re bringing back one of our favourite Sleep Tight Science episodes all about Stink Bugs. Plus, we will share some fun facts about them and answer listener questions. 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...
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Do you know about our solar system? ☄️ (Bernice learns science)

August 13, 2025 • 27 mins
While we take a short break this week, we’re bringing back one of our favourite Sleep Tight Science episodes all about the solar system—featuring Papa Bear telling Bernice about planets and moons, while they have some super yummy cookies. 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 sho...
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Do you know about Polar Bears? 🐻‍❄️❄️🧊

August 6, 2025 • 28 mins
In this episode, we travel to the Arctic to learn all about polar bears! Discover how their giant paws, thick fur, and clever hunting skills help them survive freezing temperatures. We explore their life cycle, behaviours, and how they’re different from other bears—plus, why they don’t eat penguins! Then, we answer listener questions about sea animals in winter, the magical northern lights, and whether the North Pole belongs to any...
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Listener questions: Fuzzy Berries, Green Grass, Wiggly Weeds & Crooked Trees 🌱 🍃 🍎 🌿

July 30, 2025 • 25 mins
Why is grass green? Why do apple trees grow in spooky shapes? And what’s the deal with those tiny hairs on raspberries? In this episode of Sleep Tight Science, we answer real questions from curious kids around the world—including Suraya in Australia, Oliver in the U.S., and Yasmeen in New Zealand! We’ll explore how weeds grow without being planted, what makes leaves change color in the fall, and how grass is secretly a little gree...
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Fun Facts: Invertebrates, rainforests & the human body 🪱🍃🫀

July 23, 2025 • 25 mins
In this episode, we’ll explore boneless animals like jellyfish and worms, the lush and wild world of rainforests, and the amazing systems inside the human body. It’s science that’s full of surprises—perfect for curious kids and cozy bedtimes. Sleep Tight!,  Sheryl & Clark ❤️👂📖 --- ✨ Want more stories and fewer interruptions? Join Sleep Tight Premium for ad-free listening, bonus bedtime stories every week, and personaliz...
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Listener Questions: From Slimy Eggs to Stinky Science 🔬🍬👃🥚

July 16, 2025 • 24 mins
In this episode, we’ll explore fascinating science questions sent in by  kids around the world! Declan (age 6) and Eva (age 4) will help us discover how Sleep Tight Science learns so many things—and why curiosity, research, and asking great questions are at the heart of how scientists think. Alejandro (age 3) will ask why we can’t eat candy for breakfast, and we’ll find out what our bodies really need to grow, think, and feel our b...
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