Valmiki Ramayana Ayodhya Kanda Sarga 87 Shloka 20

रामः Rama, तस्मिन् on that, स्वास्तरे bed, सीतया सह with Sita, समाविशत् lay down, लक्ष्मणः Lakshmana, तयोः their, पादौ feet, प्रक्षाल्य having washed, अपचक्राम left for a distant place.

Rama lay down upon the bed along with Sita. Thereafter Lakshmana, having washed their feet, moved to a distant place.