Canto 2 -
Ayodhyā-kāṇḍa
Chapter 65: Daśaratha’s Wives Lament About his Departure
Text 2.65.16

कौसल्या च सुमित्रा च पुत्रशोकपराजिते।
प्रसुप्ते न प्रबुध्येते यथा कालसमन्विते॥

 kausalyā ca sumitrā ca putra-śoka-parājite
prasupte na prabudhyete yathā kāla-samanvite

kausalyā ca = Kausalyā; sumitrā ca = and Sumitrā; putra-śoka-parājite = overcome by distress about their sons; prasupte = had fallen asleep [that night]; na prabudhyete = and hadn’t woken up [by now]; yathā kāla-samanvite = dead.

Overcome by distress about their sons, Kausalyā and Sumitrā had fallen dead asleep [that night] and hadn’t woken up [by now].