Yoga Sutra 1.38 meditating on the knowledge of dream and sleep
Sūtra I.38 Or meditating on the knowledge of dream and sleep Either on the knowledge of dream or on the knowledge of sleep; the yogin’s mind in that form attains steadiness. Meditating, either on the knowledge of dream or on the knowledge of sleep, the mind becomes of that form alone. What the mind meditates…