Śrāddha-kalpa: Amarakantaka–Tīrtha-Māhātmya and Akṣaya Pitṛ-Tarpaṇa
उपवासनिबद्धैर्हि प्राणैरेव पुनः पुनः / प्राणापानौ वशे कृत्वा वशगानीन्दियाणि च
upavāsanibaddhairhi prāṇaireva punaḥ punaḥ / prāṇāpānau vaśe kṛtvā vaśagānīndiyāṇi ca
With the prāṇas bound by fasting, again and again bring prāṇa and apāna under control, and make the senses obedient as well.