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
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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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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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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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
❤️👂📖
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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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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
❤️👂📖
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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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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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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
❤️👂📖
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Join Sleep Tight Premium for ad-free listening, bonus bedtime stories every week, and personaliz...
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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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July 9, 2025 • 25 mins
In this 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
❤️👂📖
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Join Sleep Tight Premium for ad-free lis...
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July 2, 2025 • 22 mins
In this 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. Perfect for curious kids who love to learn about science!
Sleep Tight!,
Sheryl & Clark
❤️👂📖
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June 25, 2025 • 26 mins
In this episode, we explore some of the cutest wild animals on the planet and share fun, science-filled facts about each one! From fennec foxes and red pandas to sea otters and bush babies, learn how these amazing creatures survive—and why they’re so adorable. Perfect for curious kids who love animals and bedtime science fun!
Sleep Tight!,
Sheryl & Clark
❤️👂📖
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Join Sleep T...
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June 18, 2025 • 22 mins
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 goin...
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June 11, 2025 • 27 mins
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 ...
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June 9, 2025 • 2 mins
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 episod...
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June 4, 2025 • 22 mins
In this episode we head to the eucalyptus-filled forests of Australia to learn all about one of its most iconic animals: the koala! We discover why koalas aren’t actually bears, what makes marsupials so unique, and how koalas live, sleep, and snack high up in the trees. Along the way, we talk about how long koalas live, the challenges they face in the wild, and why they’re now considered endangered.Sleep Tight,Sheryl & Clark❤️👂📖
...
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May 28, 2025 • 25 mins
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! Start your free trial now on Apple Podcasts or at sleeptightpremium.com.
Themes in this episode:
✔️ What is memory?
✔️ How the brain stores memories (and why neurons matter)
✔️ Different types of memor...
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May 21, 2025 • 24 mins
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?
...
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May 14, 2025 • 26 mins
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...
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May 7, 2025 • 24 mins
In this listener-powered episode, we answer some of the curious, clever, and thoughtful questions you've sent us! Why do kids get sick more often in winter? What exactly is celiac disease? What happens if you never brush your teeth or go to the dentist? And why do we sometimes cry or yawn in strange places—like inside a car? With clear explanations and a warm, bedtime-friendly tone, we explore the science behind everyday mysteries ...
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