Josh Fleishman

The Bedtime Scientist: Calm Science for Sleepy Kids

Kids EN ↓ 55 episodes

Some shows you have to monitor. This one you can trust. The Bedtime Scientist turns real science into calm bedtime listening for curious minds. Press play and walk away. Sleep comes with it. No fairy tales. No chaos. Just one steady voice guiding kids through the true wonders of our world and beyond. Learn softly. Sleep soundly.

Author

Josh Fleishman

Category

Kids

Podcast website

bedtimescientist.com

Latest episode

Jul 10, 2026

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Episodes

Thunder & Lightning: The Sky's Electric Lullaby | Meditatively Beautiful Anxiety Reducing Science 10.07.2026

From the Archives! If storms scare you, you're not alone. In this episode, we discover how understanding transforms fear into wonder. ⭐️ If you love The Bedtime Scientist, here are two ways you can support our mission! Join our Patreon community! Get exclusive bonus episodes and episode guides for parents. ➡️ ⁠The Bedtime Scientist on Patreon⁠ Explore our books! Your voice is most important; beco...

Fireworks: The Earth Painting the Sky 07.07.2026

A calm bedtime episode about fireworks, paced gently to help a child fall asleep. Tonight's episode sits on a hill at the edge of a summer field, far back from the crowd, watching the sky bloom with light. Fireworks aren't just pretty. They're chemistry. The reds, greens, golds, and blues come from tiny bits of metal and mineral tucked into each shell. Strontium glows red. Barium glows...

Oxygen: Where Does it Come From? 30.06.2026

Tonight, we go looking for something invisible. Join me for a calm, awe-filled journey to two places, the trees just outside your door and the far side of the open ocean, as we answer one of the biggest questions a curious child ever asks: where does the air we breathe actually come from? No loud sound effects. No fictional drama. Just the steady wonder of chemistry, the ocean, and the living thin...

The Sun: Anchor of The Solar System 24.06.2026

A calm bedtime episode about the Sun, paced gently to help a child fall asleep. Tonight's episode begins at the center of the solar system. The Sun isn't on fire. It's something stranger and quieter than that. At its core, hydrogen atoms are crushed together so hard they become helium, and a flash of energy is released. That energy then begins one of the longest journeys in the solar s...

Electricity: The Copper Highway & The Speed of Sleep | Calm Bedtime Science for Kids & Families 19.06.2026

Welcome to The Bedtime Scientist , the podcast where we skip the fairy tales and dive into the fascinating data of the real world. We believe that for many curious children—especially those who are neurodivergent, have ADHD, or are simply highly inquisitive—the best way to wind down is to understand the "magic" of how things actually work. In tonight’s episode, we explore the Invisible River of El...

Genes & DNA: What Makes You... You 15.06.2026

Welcome to a calming bedtime story about human biology, DNA, and cells for kids. Tonight on The Bedtime Scientist , I am sharing an incredible science fact sent in by my newest Bedtime Scientist Field Researcher, Fionn from Flitwick, Bedfordshire: If you unraveled all your DNA, it would stretch from Earth to the Sun 600 times! That mind-blowing thought inspired my quiet, vocal-only journey tonight...

Farm Tractors: A Field of Dreams | Calm Nonfiction Bedtime Science for Kids and Parents 11.06.2026

How do you turn a loud tractor into a lullaby? Welcome to The Bedtime Scientist... Tonight, we visit a quiet farm as the sun slips low in the sky. We explore the gentle, wondrous science of the "helpers of the harvest"—the amazing machines that care for our fields. We discover how these big, powerful machines are not about noise, but about a slow, steady, and gentle purpose. We learn how the tract...

Sea Otters: Held by the Water 07.06.2026

A calm bedtime episode about sea otters, paced gently to help a child fall asleep. Tonight's episode travels out to the Pacific Ocean, where sea otters float on their backs at the surface, rising and lowering with the water as waves pass beneath them. Their fur holds hundreds of millions of tightly packed hairs, and the tiny pockets of air trapped between those hairs are what keep them warm in...

Friendship: The Science of Closeness 04.06.2026

A calm bedtime science episode for children and families, slow enough to help a child settle at night. About why some people start to feel easy to be around. Friendship isn't a mystery. It's something the brain actually builds, one repeated moment at a time. This episode follows what happens inside us when a face goes from unfamiliar to familiar, when a voice starts to feel like home. The...

Fireflies: The Light that Waited 31.05.2026

A beautiful episode about fireflies, written to help children settle and drift toward sleep. If you're looking for a quiet science story for bedtime tonight, this one starts in the backyard. Fireflies make real light, cold light, without fire or heat, through a chemical reaction so small it fits inside a beetle's body. This episode follows that light from the soil where firefly larvae wait...

Clouds: The Shape Water Borrows 30.05.2026

A calm bedtime science episode about clouds, designed to help children settle and drift off to sleep. One quiet voice, no music, no sound effects. Tonight's episode asks a question most of us never think to ask: how does something that can weigh a million pounds stay up in the sky? That's a real number, by the way. A single large cloud, the kind that drifts past on a summer afternoon, can outweigh...

Dinosaur Fossils: How Scientists Tell Time | Calm Bedtime Science for Kids & Adults 29.05.2026

For More, Check Out: ⁠⁠ https://www.bedtimescientist.com/ ⁠⁠ ⭐️ If you love The Bedtime Scientist, here are two ways you can support our mission! Join our Patreon community! Get exclusive bonus episodes and episode guides for parents. ➡️ ⁠⁠⁠The Bedtime Scientist on Patreon⁠⁠⁠ Explore our books! Your voice is most important; become the bedtime scientist for your kids. ➡️ ⁠⁠⁠Browse The Bedtime Scie...

The Chunnel: A Train Ride Beneath the Sea 22.05.2026

Tonight, we're taking a train ride beneath the ocean. In this soothing, anxiety-reducing bedtime story, we'll journey through the Channel Tunnel—the enormous railway tunnel connecting England and France deep below the sea. Together we'll explore how humans dug through miles of rock beneath the ocean floor, how giant tunnel boring machines work, and how two teams digging from opposite s...

International Space Station: Sixteen Sunrises 19.05.2026

Tonight, we go all the way up. Two hundred and fifty miles above the Earth, a house circles our planet every ninety minutes, and the people inside it watch sixteen sunrises every single day. Please be sure to follow the show to ensure you never miss a new episode! This is the story of the International Space Station: how it floats, how it falls, and how humans from many different countries built a...

Sharks: Replacing Fear with Wonder 14.05.2026

Scared of sharks? A lot of people are. Tonight on The Bedtime Scientist, I take one of the most feared animals on Earth and look at what sharks are actually like. We'll learn how sharks have survived for more than four hundred million years, how they sense movement through dark water, why the ocean depends on them, and how some sharks can live for centuries beneath Arctic ice. Along the way, f...

Hibernation: The Science of Slowing Down | Calm Bedtime Science for Kids & Adults 14.05.2026

Don't forget to click follow! ⭐️Keep the show ad-free! Join our Patreon community! ➡️ ⁠⁠⁠The Bedtime Scientist on Patreon⁠⁠⁠ Explore our books! ➡️ ⁠⁠⁠Browse The Bedtime Scientist Books ⁠⁠⁠ Tonight, we're stepping out of the movement and into the stillness of the den. We aren't looking up at the stars; we're looking inward, at the biological miracle of the long winter sleep. This isn't a bedtime s...

Where Your Feelings Live 11.05.2026

Have you ever felt butterflies in your stomach? A lump in your throat? Tears that seemed to come from nowhere? Tonight on Bedtime Scientist, we explore the science of feelings and the nervous system in a calm bedtime story for kids and the grown-ups listening beside them. Why does your stomach flutter when you're nervous or excited? Why do cheeks grow warm when we feel loved or embarrassed? Wh...

Caves: The Sculptures of Water | Calm Non-Fiction Bedtime Science for Kids & Adults 10.05.2026

Welcome to The Bedtime Scientist, where curiosity meets sleep and wonder leads to rest. Tonight, we journey deep underground into caves, places where the sun never shines, yet extraordinary beauty grows in complete darkness. This calming bedtime story explores how water acts as a patient, invisible sculptor, carving vast chambers and towering formations from solid limestone over thousands and thou...

Bioluminescence: Nature's Living Light... Calm Sleepy Nonfiction Science Sensory Friendly 07.05.2026

Just a real dad...NO AI/Silly Voices/Characters/SFX...Tonight, we explore one of nature's most magical phenomena: bioluminescence—the ability of living creatures to make their own light. We begin in a summer backyard, watching fireflies blink their coded messages into the dusk. Then we descend into the deep ocean, where nearly every creature glows—some to hunt, some to hide, and some to escape in...

Dolphins: Riding the Waves 04.05.2026

Tonight, we travel out across a wide, dark sea, where the moon lays a long silver path across the water and a whole pod of dolphins moves quietly together just beneath the surface. This is an episode about what dolphins do at night, and why they do it. They have names for each other. They remember those names for twenty years. They recognize themselves in mirrors. They see in the dark by sending o...

Shooting Stars: Wishes on Ancient Dust | A Calm Scientific Sleep Journey for Kids & Adults 03.05.2026

From the Archive: We turn our eyes to the night sky to uncover the quiet magic of shooting stars . About this Episode : We often think meteors burn up because of friction, but the truth is far more fascinating. Tonight, we debunk that myth and learn about Ram Pressure —the incredible force that turns cold stone into glowing plasma. We also discover how our Earth’s atmosphere acts as a heavy, prote...

Black Holes: The Deep Rivers of Space | Calm Science for Kids and Adults 01.05.2026

Welcome...to the Bedtime Scientist... Tonight, we journey to one of the most mysterious places in the universe: black holes. The name can sound scary—but by the end of this episode, your child will understand that black holes aren't holes at all. They're incredibly dense objects with gravity so strong that even light cannot escape. Through gentle explanations and calming imagery, we transform cosm...

Aurora: A Crown of Gentle Light: Calm Non-Fiction Bedtime Science for Kids & Adults 30.04.2026

Why do the Northern Lights happen? Tonight, The Bedtime Scientist travels to the frozen top of the world to witness the Aurora Borealis—a crown of gentle light painted across the quiet polar sky. With Solar Cycle 25 reaching its peak and the Winter Solstice bringing the longest nights of the year, there is no better time to understand the science of the sky. This episode transforms the physics of...

Bees: The Journey Home | Calm Bedtime Science for Kids & Adults 27.04.2026

A bee flies close. Most people tense up. Even grown-ups. But what if you knew what it was actually doing? Tonight, we follow a bee smaller than your fingertip, covered in soft fuzzy hairs, almost always on her way somewhere. Inside the hive, bees build perfect hexagons and use a “waggle dance” to tell each other, in complete darkness, exactly where the flowers are. By the end, a bee flying near yo...

The Water Cycle: The Journey of a Droplet 25.04.2026

You might think you know the water cycle, but what if it's not a simple loop? It's a fantastic, ceaseless journey that’s been underway for billions of years. Tuck in and get ready for a deep dive into the three main stages of this incredible process—evaporation, condensation, and precipitation. We'll gently explore the science of how water moves from our oceans and lakes, rises as an invisible gas...

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