Sauna bathing, rooted in Northern European traditions dating back 5,000 to 7,000 years, has evolved from a mystical practice intertwined with spiritual rituals to a modern wellness phenomenon. Indigenous Finns adapted saunas for relaxation, refuge from harsh winters, and even birthing chambers. Today, commercial saunas in gyms, spas, and healthcare facilities offer traditional wood-burning and electric options, often enhanced with aroma diffusers and digital controls. Modern saunas have advanced in construction, design, and technology, including infrared saunas that use light to penetrate tissues for various health benefits. Prefab saunas make it convenient to enjoy sauna benefits at home, showcasing the enduring appeal of this ancient tradition, which continues to bridge the past and the future.