Hatha yoga ethics, diet, cleansing, pranayama (breathing exercises), meditation and a system for spiritual development of the yogi. The Hatha yoga texts place major emphasis on "mitahara", which connotes "measured diet" or "moderate eating". For example, sections 1.58 to 1.63 and 2.14 of the "Hatha Yoga Pradipika" and sections 5.16 to 5.32 of "Gheranda samhita" discuss the importance of proper diet to the body. They link the food one eats and one's eating habits to balancing the body and to gaining most benefits from the practice of Hatha yoga. Eating, states "Gheranda samhita", is a form of a devotional act to the
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