Pranayama means expansion or manifestation of energy. This energy is the cause of birth and death and the reason for survival.
Pranayama has three movements; that takes place in three stages; puraka, rechaka and kumbhaka.
By the practice of pranayama, body acquires strength and vigour; the mind becomes stable, steady and calm.
The number of rounds of pranayama for day and night together shall be 320.
The different types of pranayama are grouped as classic pranayama and traditional pranayama.