Shiva Purana
गुणमूर्त्यात्मनां चैव ततोवांतरसंहृतिः ॥ तदा नारायणश्शेते देवो मायामयीं तनुम् ॥ २५ ॥
Then the difference between the modes of nature and the self is withdrawn. At that time Lord Nārāyaṇa lies down in His illusory body.
english translation
guNamUrtyAtmanAM caiva tatovAMtarasaMhRtiH ॥ tadA nArAyaNazzete devo mAyAmayIM tanum ॥ 25 ॥
hk transliteration by Sanscript