One verse

Srimad Bhagavatam 12.4.25

12.4.25

बुद्धेर्जागरणं स्वप्न: सुषुप्तिरिति चोच्यते । मायामात्रमिदं राजन् नानात्वं प्रत्यगात्मनि ॥ २५ ॥

buddher jāgaraṇaṁ svapnaḥ suṣuptir iti cocyate māyā-mātram idaṁ rājan nānātvaṁ pratyag-ātmani

buddheḥ
of intelligence
jāgaraṇam
waking consciousness
svapnaḥ
sleep
suṣuptiḥ
deep sleep
iti
thus
ca
and
ucyate
are called
māyā-mātram
merely illusion
idam
this
rājan
O King
nānātvam
the duality
pratyak-ātmani
experienced by the pure soul

The three states of intelligence are called waking consciousness, sleep and deep sleep. But, my dear King, the variegated experiences created for the pure living entity by these different states are nothing more than illusion.