This article records tradition as it has been passed down and reported. Its sources are not yet part of the atlas's verified catalogue.
Swami Satyananda Saraswati is credited with developing and publishing the modern, systematized form of yoga nidra in 1976, drawing on his own tantric training received during his years as a wandering disciple before he founded the Bihar School of Yoga. Yoga nidra, a structured practice of guided relaxation and altered consciousness, became one of the most widely taught techniques to emerge from his teaching career.
Beyond that specific technique, he produced a large body of other teaching and writing over the following decades, work that extended well past the Bihar School of Yoga's own campus in Munger, India. That body of work shaped how yoga was transmitted to a global audience in the second half of the twentieth century, carrying practices with roots in his tantric training to students far outside the Indian context in which he had first learned them himself.
He died on December 5, 2009, having spent nearly five decades since founding his school building both an institution and a written and taught legacy, of which the 1976 systematization of yoga nidra remains the single technique most closely associated with his name internationally, taught today in settings that trace their lineage back to his own tantric training decades earlier.