Muhammad b. Sirin used to learn how to wash the dead from Umm 'Atiyyah: he would was with lotus leaves twice and with water and camphor for the third time.
عَنْ أُمِّ عَطِيَّةَ يَغْسِلُ بِالسِّدْرِ مَرَّتَيْنِ وَالثَّالِثَةَ بِالْمَاءِ وَالْكَافُورِ