Ma'tmar bin Sulaiman-al-Taufayl معتمر بن سليمان - الطفيل · The Book of Fasting

"The Messenger of Allah came one day and said: 'Do you have any food?' I said: 'No.' He came in to me on another occasion, and I said: 'O Messenger of Allah, we have been given some Hais.' He said: "Then I will break my fast today, although I had started my day fasting."'

"There is no fast for one who does not intend (to fast) before dawn."

"My father got me married to a woman and he came to visit her and said: 'What do you think of your husband?' She said: 'What a wonderful man he is. He does not sleep at night and he does not break his fast during the day.' He got upset with me and said: 'I got you married to a woman from among the Muslims and you have neglected her.' I did not pay attention to what he said because…

the Prophet commanded them to fast the three days of Al-Bid. He said: "That is (equivalent to) fasting for the whole month."