Sunan Abi Dawud Fasting (Kitab Al-Siyam) Abdullah bin Khabab عبد الله بن خباب الأنصاري النجاري Abu Sa'id al-Khudri Bakr bin Madr bin Muhammad بكر بن مضر بن محمد Qutayba bin Sa'id bin Jamil قتيبة بن سعيد بن جميل Yazid bin 'Abdullah bin Usama B. al-Haad يزيد بن عبد الله بن أسامة بن الهاد Sahih The Messenger of Allah (ﷺ) prohibited perpetual fasting. They (the people) said: You keep perpetual fasting, Messenger of Allah. He said: My position is not like that you yours. I am provided with food and drink. https://parallelquran.com/hadith/sunan-abi-dawud-2360/