Prana is the subtle life force energy and Pranayamas is channelising of Prana into the body. Pranayama is an important limb of Yoga – according to the Yoga Sutras of Patanjali. The Yoga Sutras is an ancient treatise on yoga, attributed to Sage Patanjali. Among the eight limbs of yoga mentioned here, Pranayama, the fourth limb, is important for a healthy body and mind for gaining higher states of awareness.