Bhagavatapurana 4.22.28

4.22.28

ātmānam indriyārthaṃ ca paraṃ yad ubhayor api /
saty āśaya upādhau vai pumān paśyati nānyadā //

28. Only when the environment of antakkarana (mind) continues to be in force, man percieves his self the object of sense and what is beyond them both (as separate existences), [i.e., he sees this world of difference only in the waking and dreaming states,], but not in any other state (i.e., sleep).