Hatha yoga but it is the mainstay of Hatha yoga. Mudras and certain kundalini-related ideas are included in Hatha yoga, but not mentioned in the Yoga Sutras of Patanjali. Patanjali yoga considers "asanas" important but dwells less on various "asanas" than the Hatha yoga texts. In contrast, the Hatha yoga texts consider meditation as important but dwell less on meditation methodology than Patanjali yoga. The Hatha yoga texts acknowledge and refer to Patanjali yoga, attesting to the latter's antiquity. However, this acknowledgment is essentially only in passing, as they offer no serious commentary or exposition of Patanjali's system. This suggests that Hatha
Ashtanga vinyasa yoga asana practice, but also stated that the breathing should be deep breathing with sound. He reiterated this notion in a conference in 2013 stating, "You do normal breath, inhalation and exhalation with sound. Ujjayi breath is a type of prāṇāyāma. This is just normal breath with free flow". In 2014 published on YouTube, Manju Jois dodged the question, "What is the difference between Ujjayi breathing and free breathing?" by saying that "the breathing in Ashtanga should be long and deep with the sound like the ocean". He also states that if you don't make sound, that is okay, too. However