Welcome to First Sleep Aid, where calm storytelling meets true mystery.In this episode, we explore the strange and legendary case of D. B. Cooper, the man who hijacked a plane in 1971, took $200,000 in ransom, and parachuted into the night—never to be seen again. No body, no trace, no certainty. What followed was one of the most enduring unsolved mysteries in American history.This is a story of risk, planning, silence—and the vast, quiet places where people can vanish.

Welcome to First Sleep Aid, where calm storytelling meets deep curiosity.In this episode, we explore the extraordinary life of Leonardo da Vinci—artist, anatomist, engineer, dreamer. From the quiet hills of Vinci to the courts of Milan and France, Leonardo’s story is one of boundless wonder, solitude, and timeless vision. Discover the man behind the Mona Lisa, the Last Supper, and countless inventions lost to history.Uncover his struggles, secrets, and the unmatched mind that bridged art and science like no one else.

Welcome to First Sleep Aid, where calm storytelling meets deep curiosity.In this episode, we explore the unsettling and deeply human story of Jeffrey Dahmer—a man whose crimes shook the world, but whose quiet exterior hid decades of loneliness, compulsion, and darkness. With empathy and precision, we trace the path from suburban stillness to apartment 213, honoring the lives of the victims while asking what society missed along the way.This is not a sensational retelling, but a measured, emotionally aware journey into one of modern history’s most haunting cases.