Keepएषैव राम सौषुप्ती स्थितिरभ्यासयोगतः ।प्रौढा सती तुर्यमिति कथिता तत्त्वकोविदैःIn plain wordsThis very state of deep sleep, O Rāma, once it has grown mature through the yoga of practice, is declared, by those versed in the truth, to be turya.