One verse

Srimad Bhagavatam 11.25.20

11.25.20

सत्त्वाज्जागरणं विद्याद् रजसा स्वप्नमादिशेत् । प्रस्वापं तमसा जन्तोस्तुरीयं त्रिषु सन्ततम् ॥ २० ॥

sattvāj jāgaraṇaṁ vidyād rajasā svapnam ādiśet prasvāpaṁ tamasā jantos turīyaṁ triṣu santatam

sattvāt
by the mode of goodness
jāgaraṇam
waking consciousness
vidyāt
one should understand
rajasā
by passion
svapnam
sleep
ādiśet
is indicated
prasvāpam
deep sleep
tamasā
by the mode of ignorance
jantoḥ
of the living entity
turīyam
the fourth, transcendental state
triṣu
throughout the three
santatam
pervading

It should be understood that alert wakefulness comes from the mode of goodness, sleep with dreaming from the mode of passion, and deep, dreamless sleep from the mode of ignorance. The fourth state of consciousness pervades these three and is transcendental.