Dos Marcos

How did one student’s “crazy” invention capture 20% of America’s beds? Discover the comfort science and wild culture of the original waterbed.What if the most comfortable sleep you’ve ever had was invented by a master’s student... and nearly ignored by the entire mattress industry? In this episode, Mark Kinsley sits down with Charlie Hall—the original inventor of the waterbed—for a candid, behind-the-scenes journey into the world of sleep innovation. Learn how Charlie’s quest to solve pressure and temperature pain points led to a radical new kind of mattress, sparking both a cultural phenomenon and a $6 million legal battle.If you’ve ever wondered why your hips ache on a camping mattress, or why “firm is better” was the industry’s biggest myth, you’ll love Charlie’s insights. Hear about celebrity early adopters, the wild days of waterbeds in head shops, and why modern mattresses still can’t match the floating comfort of the original design. Plus: what’s the future of sleep tech, and why do some diehard fans r