Valmiki Ramayana Ayodhya Kanda Sarga 51 Shloka 26

महात्मनः of the highsouled, दुःखार्तस्य tormented with grief, राजपुत्रस्य of the prince, परिदेवयमानस्य while he was wailing, तिष्ठतः standing by, सा शर्वरी that night, अत्यवर्तत passed away.

While that noble prince (Lakshmana), tormented with grief, stood thus wailing, the night passed off.