Any type would help your cause and solve your problem. Pranayama is an exercise which is designed to enhance your repertory system and boost your immunity and also helps in the well functioning of your digestive system. Here this exercise brings about a development in both the cellular and nervous tissues of your body. So as this exercise focuses more on the breathing part, and when you inhale the air in this way there is definite action taking place inside, and with the ingestion of oxygen into your body, there is ingestion of nervous energy into your brain.