Hypoventilating techniques are generally tranquillizing Pranayamas. They are slow and subtle, and their effect is more or less opposite to hyperventilation. They reduce the metabolic rate as well as the frequency of brain waves, leading to relaxed meditative states. Thus, one experiences a greater sense of control over the nervous system.<ref name=":9" /> | Hypoventilating techniques are generally tranquillizing Pranayamas. They are slow and subtle, and their effect is more or less opposite to hyperventilation. They reduce the metabolic rate as well as the frequency of brain waves, leading to relaxed meditative states. Thus, one experiences a greater sense of control over the nervous system.<ref name=":9" /> |