How Do We Fall Asleep?

Deep in the basement of the San Diego Natural History Museum, there are thousands of jars filled with preserved reptiles and amphibians. In this episode, But Why takes a tour with collections manager Adam Clause to answer your questions about lizards! How do lizards climb walls? ...  Show more

But Why turns ten years old on April 1, 2026! To celebrate this milestone, we’re listening back to our very first episode. We’ve got owls and turtles and bears. Naturalist Mary Holland gets into the details about hibernation–including the questions you may not even have thought t ...  Show more

“The more logical you are in your approach to your sleep, the more you’re going to screw it up,” says sleep specialist Rafael Pelayo, MD. Pelayo is a clinical professor of psychiatry and behavioral sciences at the Stanford Center for Sleep Sciences and Medicine and the author of ...  Show more

In this first class of our course on how to get better sleep, host Cristina Quinn outlines why trying to get yourself to sleep can sometimes be a barrier to getting rest. But if we shouldn't will ourselves to sleep, what should we do instead? Cristina talks to an expert with a cl ...  Show more

We have some questions about sleep: It’s ok to stay up late, right? Is it possible to control your dreams? Do all animals sleep? Why do we need to sleep anyway? See omnystudio.com/listener for privacy information. 

Sleep is one of our most vital functions but how many of us actually know that much about it, the links to our physical functioning, mental health, relationships and overall wellbeing. What about some of the strange experiments they've conducted to investigate dreams or how lo ...