Sivananda refers to Swami Sivananda, an influential Indian yoga teacher and spiritual leader born in 1887. He founded the Sivananda Yoga Vedanta Centers, which promote the practice of yoga and the teachings of Vedanta. His philosophy emphasizes the importance of physical health, mental peace, and spiritual growth through various practices, including meditation, selfless service, and devotion. Swami Sivananda authored over 200 books on yoga, spirituality, and health, making his teachings accessible to a global audience. His approach integrates the four paths of yoga: Karma Yoga (selfless action), Bhakti Yoga (devotion), Jnana Yoga (knowledge), and Raja Yoga (meditation), encouraging a holistic lifestyle.