Shiva Purana
तस्य तद्वचनं श्रुत्वा प्रतिबुद्ध्य पितामहम् ॥ उदैक्षत महाबाहुस्स्मितमीषच्चकार च ॥ ४२ ॥
On hearing this Viṣṇu woke up, saw Brahmā and smiled slightly.
english translation
tasya tadvacanaM zrutvA pratibuddhya pitAmaham ॥ udaikSata mahAbAhussmitamISaccakAra ca ॥ 42 ॥
hk transliteration by Sanscript