Narrated Abu Bakr ibn Abi Shaybah, from Ibn 'Ulayyah, Waki', and Ghandar, from Shu'bah, from al-Hakam, from Ibrahim, from al-Aswad, from 'A'ishah, who said: When the Messenger of Allah (peace and blessings be upon him) was in a state of major ritual impurity (junub) and wished to eat or sleep, he would perform the ablution (wudu') for prayer.