Yoga Sutra 2.49 cut off the flow of in-breath and out-breath
Sūtra II.49 Prānāyāma is to sit in the posture and cut off the flow of in-breath and out-breath The posture has been mastered. Now when he inhales outside air, it is called the in-breath (śvāsa); when he exhales the air from within, that is the out-breath (praśvāsa). Cutting off the flow of these two, so…