Though scholars believe that the practice of Yoga can be traced as far back as 3000 B.C., the discipline is considered to be founded by Patanjali, an Indian Sage who developed the Yoga Sutra, a collection and expansion on the eight yoga paths in the second century.
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“By focusing on the nature of the stream in the dream state or the nature of the state of dreamless sleep, the mind becomes stabilized and tranquil.”