A wide range of breathing exercises comes under Regular Pranayama to control and regulate the breath. You have not specified pranayama. Common pranayama techniques include deep breathing (diaphragmatic breathing), alternate nostril breathing (Nadhi Shodhana), and kapalbhati (skull-shining breath) in today's scenario. The main objective of such regular pranayama practices is to enhance lung capacity, improve energy flow, promote relaxation, and increase mental clarity.
You also mentioned about Chandra Bedhi Pranayama which is also known as Left Nostril Breathing or Moon Activating Breath. This is a specific pranayama technique during which breathing is practiced exclusively through the left nostril (inhalation through left and exhalation through right nostril). It is believed to have a calming and cooling effect on the body and mind. This technique is often practiced in yoga and meditation to balance the energies within the body.
Ordinarily, you can practice both Chandra Bedhi Pranayama and regular pranayama. Before I go ahead, it is important to know your objective to enable me answer specifically.
As the chandra bedhi pranayama has many benefits that includes increased ability to regulate emotions, improve mindfulness & enhanced self-awareness, stress management, you can add on to regular pranayama for such objectives. Chandra Bedhi Pranayama has cooling effect also, long term practice should be limited during winter /cold season.
However, if you have any pre-existing medical conditions or respiratory issues, it is crucial to consult with a healthcare professional before practicing pranayama, as certain breathing exercises may not be suitable for everyone. They will be able to provide personalized advice and guidance based on your specific health situation.