Śrīmad-Bhāgavatam · Text 10.86.45
Who is speaking and story frame
यथा शयान: पुरुषो मनसैवात्ममायया ।
सृष्ट्वा लोकं परं स्वाप्नमनुविश्यावभासते ॥ ४५ ॥
yathā śayānaḥ puruṣo
manasaivātma-māyayā
sṛṣṭvā lokaṁ paraṁ svāpnam
anuviśyāvabhāsate
The Lord is like a sleeping person who creates a separate world in his imagination and then enters his own dream and sees himself within it.
Read the purport on Vedabase.ioFrom Canto 10, chapter 14 onward, the translation and purports were completed by Śrīla Prabhupāda's disciples after his departure, and published by the Bhaktivedanta Book Trust.