Canto 1 - Boyhood
Bāla-kāṇḍa
Chapter 45: The Churning of the Milk Ocean
Text 1.45.4

तस्य सा शर्वरी सर्वा सह सौमित्रिणा तदा।
जगाम चिन्तयानस्य विश्वामित्रकथां शुभाम्॥

tasya śarvarī sarvā saha saumitriṇā tadā
jagāma
cintayānasya viśvāmitra-kathāṁ śubhām

Thus, the entire night passed for Him and the son of Sumitrā while They reflected on Viśvāmitra’s auspicious narration.