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

The Science of You: Why We Bleed 🩹

January 7, 2026 • 24 mins
In this episode we are going to try and answer the following questions: Why do we bleed when we get a cut, and how does our body know exactly how to stop 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 Tight!,  Sheryl & Clark ❤️👂📖 --- ✨ Want more stories and fewer interruptions? Join Sleep Tight Premium for ad-free listen...
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How Things Work: Time Zones ⌛✈️

December 31, 2025 • 29 mins
In this episode we are going to learn about time zones - how do they work? Why do we have them? What happens when you fly through multiple time zones? And what exactly is jet lag? 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 Prem...
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Do you know about Reindeer? 🦌🎅🏻 (Encore HoHoHo)

December 24, 2025 • 25 mins
In this episode, we're learning all about reindeer! Discover how these incredible animals survive in the Arctic, their amazing migrations, the unique features of their antlers, and the science behind their warm, red noses. We'll also dive into their role in holiday traditions and the important connections they share with people and the environment. Sleep Tight!,  Sheryl & Clark ❤️👂📖 --- ✨ Want more stories and fewer interr...
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🎁 This Might Be the Best Gift You Give This Year 🎁

December 21, 2025 • 1 min
🎁 Last Minute Holiday Offer! Give the gift of peaceful bedtimes all year long with Sleep Tight Premium. Holiday Pricing: 40% off yearly subscriptions 30% off on Apple Podcasts What's Included: Ad-free listening experience Bonus stories every week Access to our entire library of relaxing content Exclusive character-driven story series Support homegrown storytelling from Prince Edward Island Get Sleep Ti...
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Listener Questions: Left Hands, Scratching Posts, and the Big Bang 🫲🏻😼💥

December 17, 2025 • 28 mins
In this episode we will explore things you might notice about yourself or your pets, like why most people are right-handed or why cats love their scratching posts. Others ask about phenomena we experience every single day - like why the sky gets bright and then dark again. And one question tackles the biggest mystery of all: how the entire universe began, and what might have existed before it. Sleep Tight!,  Sheryl & Clark ❤️👂�...
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Listener Questions: Spider Webs, Galaxies, and Why We Laugh 🕸️🤣☄️

December 10, 2025 • 31 mins
In this episode, we're answering another round of listener questions. Some explore the tiny and detailed, others zoom out to the grandest scale imaginable, and some dive into everyday mysteries. Don't forget to send in your 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-...
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Listener Questions: Mountains, Molecules, and Tiny Bugs ⛰️🧬🦟

December 3, 2025 • 29 mins
In this episode, we're answering some of the great questions from our listeners all around the world!  We're going to explore six wonderful questions that arrived in our inbox, each one helping us learn something fascinating about our world. We'll learn how mountains grow, why everything in the universe is made of molecules, how diamonds form over billions of years, meet the tiniest bug on Earth, and we'll travel back in time to me...
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Understanding Animals: Big Cats (and Little Ones) 🐅🐈‍⬛

November 26, 2025 • 29 mins
In this episode, we'll answer three specific questions. First, why do cats have those strange vertical slit pupils while we have round ones? Second, why can't lion cubs roar when they're little, but your kitten could meow from the day it was born? And third, what's actually different between house cats and their wild cousins—and what's surprisingly the same?  🐱 Grown-ups: we value your feedback. Our email and message link are in...
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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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