Episodes

In this episode, we will learn about the world of pumpkins, turkeys, and Thanksgiving traditions. We will learn why pumpkins float, how turkeys run and fly faster than you might think, and the history behind some of your favourite fall customs. Plus, we’ll explore giant pumpkin pies, turkey snoods, and why leaves change colour in the fall. It’s a perfect mix of science, fun, and a little bit of holiday magic! Sleep Tight!, Sheryl & Clark --- 25 Fascinating Pumpkin Facts 14 Fun Facts About Tu...

In this episode, we’ll explore these intelligent, playful marine mammals known for their friendliness and incredible behaviours. Learn how dolphins, part of the “toothed whale” family alongside orcas, differ from their close relatives and porpoises, and discover what makes them such clever and curious ocean dwellers. Sleep Tight!, Sheryl & Clark --- How Do Dolphins Sleep? Dolphin Echolocation How Do Dolphins Use Echolocation? --- 👉 Join Premium for AD FREE listening and extra bedtime storie...

In this episode, we're answering your questions! We'll learn why some animals use poop to build their homes—and whether it smells terrible, explore why cars need gas and oil, the science behind rising muffins, the importance of math, and why hair turns gray as we age. We'll also take a look at why siblings can sometimes be annoying, touching on psychology and life skills. Plus, we've sprinkled in surprising facts about gasoline, muffins, and even some quirky poop trivia to keep things interestin...

In this episode, we'll journey through our home galaxy, the Milky Way, a vast spiral galaxy with over 100 billion stars, including our Sun. Located in the quieter Orion-Cygnus Arm, about 27,000 light-years from the center, our solar system orbits far from the powerful supermassive black hole, Sagittarius A*, which holds the galaxy together. We'll explore the three main types of galaxies—spiral, elliptical, and irregular—and imagine the technology that might one day let us travel beyond the Milky...

In this episode, we are going to learn about the animal kingdom’s strangest and grossest creatures! We’ll start with the housefly, discovering its unique habits like tasting with its feet and vomiting on its food, and move on to the resilient cockroach that can survive a week without its head. We’ll also learn about the hippopotamus’s unusual mating habits, the cube-shaped poop of wombats, and meet other creepy animals like tarantulas, giant squids, and vampire bats. Each creature may seem icky,...

In this episode, we'll learn all about the human skeleton—the framework of 206 bones that give our body shape, support us and help us move. We'll explore how the skull, rib cage, and spine protect our most important organs and how our bones change as we grow. You'll also find out how the skeleton is divided into the axial and appendicular skeletons, each playing a key role in helping us move and stay safe. Finally, we'll learn why skeletons are used as symbols for Halloween, bringing some spooky...

In this episode, we'll learn why rain falls in little drops instead of one big splash, why ice cracks when it melts, and how clouds move across the sky. We'll also explore the science behind why ice floats and why clouds are white—all thanks to another round of fantastic questions submitted by our curious listeners! Sleep Tight!, Sheryl & Clark ❤️👂📖 --- 👉 Join Premium for AD FREE listening and extra bedtime stories! 👉 Sleep Tight Premium is now available in Apple Podcasts! 🎉 ⭐⭐⭐⭐ Leave a re...

In this episode, we will learn that turtles are fascinating reptiles found in various regions and habitats worldwide. We will also learn about how their diets vary by species and explore how turtles communicate. From sea turtles migrating across oceans to tortoises roaming the land, turtles are highly adaptable and vital to their ecosystems. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- 👉 Join Premium for AD FREE listening and extra bedtime stories! 👉 Sleep Tight Premium is now available in Apple Po...

In this episode, we will answer listener questions that explore how the universe works in fun and surprising ways. We learn that nothing can travel faster than the speed of light and explore what might happen if we could—like time slowing down and strange space effects. We also find out that there are stars much bigger than the Sun, how the Sun spins on its axis and how gravity, though invisible, holds everything in place. We will wrap up by understanding why air remains invisible despite being ...

In this episode, we explore the fascinating world of ants and learn about their impressive communication skills and unique behaviours. We discover that ants communicate through pheromones, antenna touching, vibrations, alarm signals, and trail marking to share important information like finding food or warning of danger. We also learn some cool facts, like how ants can lift up to 50 times their weight, work together as farmers with other insects, and even live in colonies with millions of member...

In this episode, we explore some fascinating facts about our bodies, from how technology affects our health to tricky medical terms and how digestion works. We also learn about the surprising gases in farts, discover curious body parts like dimples and the appendix, and uncover fun facts about our amazing feet. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- 👉 Join Premium for AD FREE listening and extra bedtime stories! 👉 Sleep Tight Premium is now available in Apple Podcasts! 🎉 ⭐⭐⭐⭐ Leave a review ...

In this episode, we explore how 3D printing works and how it creates objects layer by layer using materials like plastic, metal, or rubber. We learn how plastic is made and how 3D printing is revolutionizing toy design by allowing for custom-made creations. Finally, we discover how 3D printing is changing medicine, from prosthetics to potential organ creation, helping doctors and patients around the world. 3D printing is transforming industries, making production faster, more creative, and more ...

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. 🌟🛏️ In season 4, we have more of what kids asked for: 💤 More calming m...

Did you know? We are back with another episode of Sleep Tight Science, and in this episode, we will learn about trees. Have you ever wondered about how trees grow? How can you tell how old they are? Why are trees so important? In this episode, we are going to talk about all these things. With the help of Craig Tupper, a New Brunswick, Canada forester, we will try to answer some questions about trees. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- Some stories about trees: Little Tree by Loren Long We...

In this episode, we will learn about how we respond to new and unknown situations, like going back to school, and discuss 5 things you can do if you're feeling nervous or stressed. We will explore dreams and cover 7 reasons why we might dream. We will talk about 12 cool and surprising facts about hair, learn about our nostrils and the mucus that comes out of our noses, and discover what the colour of mucus means. Finally, we will wrap up the episode with some fun facts about poop. Sleep Tight!,...

In this episode, we learn why some frogs are poisonous, which snake is more venomous, the king cobra or the rhinoceros cobra and what happens when a venomous spider bites you. Then, taking a break from poisonous animals, we learn why the sun looks red at sunset and about how the world was made. Thank you for submitting your questions! Sleep Tight!, Sheryl & Clark ❤️👂📖 --- 📢 Have an interesting science topic you would like to investigate? Send us an email at hello@sleeptightscience.com , and w...

Hi, Science fans! Guess what? We're launching Season 4 of Sleep Tight Science this September, and we need YOUR help to make it extra special! We would love to hear your voice on the show! First, record yourself saying, "You are listening to Sleep Tight Science!", then send your recording to hello@sleeptightscience.com, and we may feature it in an upcoming show. Clark and I can't wait to hear from you! Sleep Tight!, Sheryl & Clark ❤️👂📖

In this episode, we answer listener questions about how waves are made, why we can only see stars at night, how boogers are formed, and what flies, mosquitoes, and other flying bugs like to eat. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- 📢 Have an interesting science topic you would like to investigate? Send us an email at hello@sleeptightscience.com , and we may feature it in an upcoming show. 👉 First time listening to Sleep Tight Science? Please follow us or listen on Spotify. ❤️ We would love...

In this episode, we will learn about the world of stink bugs. We will discover why stink bugs release their characteristic smell and how this clever strategy helps protect them from predators. We will also look at their diet and feeding habits, learning about what stink bugs eat and how they impact the plants and crops they feed on. Plus, we will share some fun facts about them. We will answer questions from Zeppelin, seven years old from Nambour, Queensland, Australia, who wants to know how ani...

In this episode, we are going to start learning about snakes. With the help of Bernice and Papa Bear, we will learn if all snakes are poisonous, if they lay eggs, how snakes shed their skin, and more. Bernice also shares all kinds of science facts she learned at the school library. Listen and see what she finds out. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- 👉 Join Premium for AD FREE listening and extra bedtime stories! 👉 Sleep Tight Premium is now available in Apple Podcasts! 🎉 📢 Have an inter...

In this episode, we will learn a little about food and eating in space. We will look at the history of the food astronauts eat, comparing what it was like to how it is today. We will also look at how they eat in space. Then we answer questions from Rowan Olsen, who wants to know why oil is slippery, Omari in Vancouver, BC, who wants to know about the Big Bang, and George in Melbourne, Australia, who asks why sand on your shoes can make playground equipment more slippery. Sleep Tight!, Sheryl & ...

In this episode, we will start learning what makes amphibians so unique, we will look at the incredible life cycle of frogs, and the various environments in which they will thrive across the globe. We will also look at what these amazing creatures eat to fuel their leaps and hops. After that, we will answer some questions from Charlie, Kyra van Hemert, and Abigail. Then we will share some fun facts to satisfy your curiosity about frogs. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- 📢 Have an interest...

In this episode, we will learn a bit about bees. We will examine why bees are necessary, their challenges, how they are adapted to collecting pollen, and learn about pollination. We will look at how bees live together in one hive and their roles. And finally, we will understand how honey is made. We also answer some questions from Ellery, who wants to know why hippos open their mouths so wide, and Suraya, who wants to understand how leaves change colour. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- ...

In this episode, we are going to talk about the clever and captivating world of foxes! We'll learn about their physical characteristics, discover the diverse habitats they call home, explore the different types of foxes around the world, and munch on some knowledge about what these cute animals eat. After that, we'll tackle some listener questions and add fun facts to satisfy your fox curiosity. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- 📢 Have an interesting science topic you would like to invest...