By meditating with the help of the understanding upon topics deserving meditation one, gifted with patience, succeeds in relinquishing sleep. By steady endurance one should govern his organs of generation and the stomach. One should protect his hands and feet by his eyes.
सत्त्वसंसेवनाद् धीरो निद्रामुच्छेत्तुमर्हति। धृत्या शिश्नोदरं रक्षेत् पाणिपादं च चक्षुषा॥