`Sayyiduna Anas bin Malik (may Allah be pleased with him) says that` when the Messenger of Allah (peace and blessings be upon him) would perform the morning prayer, the servants of Madinah would bring their vessels of water, and whichever vessel was brought to the Messenger of Allah (peace and blessings be upon him), he would dip his hand into it. And sometimes, even on cold days, it would happen that he would dip his hand.