What is the X in X-mas?
a type of yogic breath awareness and regulation exercise designed to help control one's vital energy
prana 'vital energy' + yama 'self-control'
(Sanskrit: "breath control"), in the Yoga system of Indian philosophy, fourth of the eight stages intended to lead the aspirant to samadhi, a state of perfect concentration. The immediate goal of pranayama is to reduce breathing to an effortless, even rhythm, thus helping to free the individual's mind from attention to bodily functions