Sayyiduna Ibn Umar (may Allah be pleased with them both) narrates that I heard the Messenger of Allah (peace and blessings be upon him) say: "The Bedouins should never prevail over you regarding the name of your prayer. Indeed, they used to delay (the prayer) because of milking their camels (and therefore called 'Isha prayer 'Atamah). Indeed, it is the 'Isha prayer."