The definitive text for practicing this technique is Yoga Nidra Swami Satyananda Saraswati , published by the Bihar School of Yoga

The benefits of Yoga Nidra are numerous and well-documented. Some of the most significant advantages of this practice include:

The Ultimate Guide to Yoga Nidra by Swami Satyananda Saraswati

The practice of Yoga Nidra has numerous benefits, including:

He did not invent Yoga Nidra; rather, he extracted it from ancient texts like the Tantras and the Upanishads, specifically the practice of Nyasa (placing awareness on different body parts). He systematized it into a scientific, step-by-step technique that induces the "hypnagogic state"—the threshold between wakefulness and sleep.

The Ultimate Guide to Yoga Nidra by Swami Satyananda Saraswati