Manusmriti
तस्य सोऽहर्निशस्यान्ते प्रसुप्तः प्रतिबुध्यते । प्रतिबुद्धश्च सृजति मनः सदसदात्मकम् ॥ ७४ ॥
At the end of that day and night he who was asleep, awakes and, after awaking, creates mind, which is both real and unreal.
english translation
tasya so'harnizasyAnte prasuptaH pratibudhyate । pratibuddhazca sRjati manaH sadasadAtmakam ॥ 74 ॥
hk transliteration by Sanscript