Valmiki Ramayana Ayodhya Kanda Sarga 9 Shloka 14

महति great, तस्मिन् सङ्ग्रामे in that war, क्षतविक्षतान् those wounded, रात्रौ during the night, प्रसुप्तान् those who were fast asleep, पुरुषान् the warriors, राक्षसा: by rakshasas, आसाद्य having approached, तरसा by force, घ्नन्ति स्म killed.

In that great battle, the rakshasas used to kill by force the warriors wounded by the weapons and those fast asleep during the night.