Sanskrit: अव्यक्तमेतत्त्रिगुणैर्निरुक्तं तत्कारणं नाम शरीरमात्मनः । षुप्तिरेतस्य विभक्त्यवस्था प्रलीनसर्वेन्द्रियबुद्धिवृत्तिः 
English:  This Undifferentiated, spoken of as the compound of the three Guṇas, is the causal body of the soul. Profound sleep is its special state, in which the functions of the mind and all its organs are suspended.