What is an example of the Prophet Muhammad (saw) and A'isha's bathing practices?
 'Ubaid b. Umair reported:                      It was conveyed to 'A'isha that 'Abdullah b. 'Amr ordered the women to undo the (plaits) of hair on their heads. She said: How strange it is for Ibn 'Amr that he orders the women to undo the plaits of their head while taking a bath; why does he not order them to shave their beads? I and the Messenger of Allah (may peace be upon him) took bath from one vessel. I did no more than this that I poured three handfuls of water over my head.