Shiva Purana
ऋषिरुवाच ॥ जगत्येकार्णवे जाते शेषमास्तीर्य योगराट् ॥ योगनिद्रामुपाश्रित्य यदा सुष्वाप केशवः ॥ ५२ ॥
The sage said:- When the world was born in one ocean the king of yoga spread out the rest When Lord Kesava fell asleep in yoga sleep.
english translation
RSiruvAca ॥ jagatyekArNave jAte zeSamAstIrya yogarAT ॥ yoganidrAmupAzritya yadA suSvApa kezavaH ॥ 52 ॥
hk transliteration by Sanscript