Aishah, the Mother of the Believers, narrated:
The Messenger of Allah came to me saying, 'Do you have anything for breakfast?' I said: 'No.' Then he said: 'I am fasting.' She said: One day he came to me and I said: 'O Messenger of Allah; I have received a gift for us.' He said: 'What is it?' She said: I said 'Hais' He said: 'I began the day fasting' She said: Then he ate.