In this episode we are going to try and answer the following question: How do rockets work—what makes them powerful enough to escape Earth's gravity and travel to space? Did you know that all our topics are submitted by you our listeners? 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-f...
Feb 25, 2026•28 min
In this episode, we're starting something new: a series of topics called Making & Creating, where we explore how people make things—from raw materials all the way to the finished products you see, use, and sometimes taste every day. In this episode, we are going to try and answer the following question: How is chocolate made—from a tree all the way to the chocolate bar you unwrap? Sounds yummy. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send...
Feb 18, 2026•29 min
In this episode we are going to try and answer the following questions: How does your heart work—and how does blood travel through your whole body and back again? We'll start with what your heart is and how it pumps, then, we'll follow the journey blood takes through your body, finally, we'll explore why your heart speeds up and slows down, and what you can notice about your own heartbeat. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your ...
Feb 11, 2026•26 min
In this episode we are going to try and answer the following questions: What is gratitude, and how does practicing it actually change your brain? We'll start with what gratitude is and why your brain naturally has a harder time noticing good things than noticing problems. Then, we'll explore what happens inside your brain when you feel grateful -- which parts light up, what chemicals get released, and why it feels the way it does. Finally, we'll look at how practicing gratitude creates new pathw...
Feb 04, 2026•26 min
In this fun facts episode, we are covering all kinds of fun topics including why snow sparkles, shadows, Australia facts, and space stuff. Lots of fun facts to remember as you fall off to sleep. 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 listening, bonus bedtime stories every w...
Jan 28, 2026•29 min
In this episode we are going to try and answer the following questions: Why do we have nightmares—and what's happening in our brain while we sleep? We'll start with what sleep cycles are and the different stages your brain moves through each night. Then, we'll explore what dreams and nightmares are, and why they happen. Finally, we'll talk about what you can do when bad dreams visit, and why they're actually a normal part of how your brain learns and processes the world. Grown-ups: we value your...
Jan 21, 2026•29 min
In this episode we are going to try and answer the following questions: How do we hear sounds, and why is hearing so important? We are going talk a lot about the ear and sounds and really interesting stuff like that. 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 listening, bonus b...
Jan 14, 2026•27 min
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 listening, bonus bedtime stories every week, and personalized shout-outs for ...
Jan 07, 2026•24 min
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 Premium for ad-free listening, bonus bedtime stories every week, and person...
Dec 31, 2025•30 min
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 interruptions? Join Sleep Tight Premium for ad-free listening, bonus bedtim...
Dec 24, 2025•26 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 Tight Premium: Supercast / Apple Podcasts Happy holidays from our family to yours! 🎄 Sleep ...
Dec 21, 2025•2 min
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 ❤️👂📖 --- ✨ Want more stories and fewer interruptions? Join Sleep Tig...
Dec 17, 2025•28 min
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-outs for your little ones! Start your free trial now on Apple Podcasts ...
Dec 10, 2025•32 min
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 meet the strange and wonderful animals that lived before dinosaurs w...
Dec 03, 2025•30 min
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 the episode notes—please send us your child’s questions and thought...
Nov 26, 2025•29 min
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 send us your child’s questions and thoughts. Sleep Tight!, Sheryl &am...
Nov 19, 2025•34 min
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 became such amazing communicators. Grown-ups: we value your feedback. ...
Nov 12, 2025•30 min
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 feedback. Our email and message link are in the episode notes—ple...
Nov 05, 2025•29 min
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 flight absolutely silent. Grown-ups: we value your feedback. Our em...
Oct 29, 2025•32 min
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 defence, electric eels show us nature's most electrifying superp...
Oct 22, 2025•32 min
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 salamanders. Grown-ups: we value your feedback. Our email and message li...
Oct 15, 2025•28 min
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 mountain slopes, communicate through scent messages, and raise cubs th...
Oct 08, 2025•25 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 to sleep while learning about science topics submitted by listeners! Des...
Oct 06, 2025•1 min
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 questions and thoughts. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- ✨ W...
Oct 01, 2025•26 min
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 send us your child’s questions and thoughts. Sleep Tight!, Sheryl &am...
Sep 24, 2025•26 min
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 your child’s questions and thoughts. Sleep Tight!, Sheryl &am...
Sep 17, 2025•30 min
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 engine has a problem. Grown-ups: we value your feedback. Our email and...
Sep 10, 2025•27 min
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 notes—please send us your child’s questions and thoughts. Sleep Ti...
Sep 03, 2025•27 min
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 ❤️👂📖 --- ✨ Want more stories and fewer interruptions? Join Sleep Tight...
Aug 27, 2025•22 min
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! Start your free trial now on Apple Podcasts or at sleeptigh...
Aug 20, 2025•27 min
