The works of Ādi Śaṅkarācārya

Bṛhadāraṇyakopaniṣadbhāṣyam

Verse 76

स होवाचाजातशत्रुर्यत्रैष एतत्सुप्तो-ऽभूद्य एष विज्ञानमयः पुरुषस्तदेषां प्रा-णानां विज्ञानेन विज्ञानमादाय य एषोऽ-न्तर्हृदय आकाशस्तस्मिञ्छेते तानि यदा

In plain words

Ajātaśatru said: When this person consisting of consciousness has fallen asleep, having gathered up the cognitive powers of the senses through consciousness, he rests within that space which is inside the heart, when those...

Close to the Sanskrit

He Ajatashatru said: Where this one became thus asleep, which this conscious person, then having gathered up the consciousness of these vital breaths with consciousness, this space which is within the heart, in that he lies when those...