Garudapurana 1.15.63

1.15.63

jāgrataḥ svapataścātmā (360)mahadātmā parastathā /
pradhānasya parātmā ca ākāśātmā hyapāṃ tathā //

the Self of the waking and sleeping states, the supreme Self of the great principle (mahat); / the supreme Self of the primordial matter (pradhāna), the Self of space and of the waters;