Sayyiduna Imran bin Husayn (may Allah be pleased with him) said: It was said: "O Messenger of Allah, so-and-so never goes without fasting in the daytime." He (peace and blessings be upon him) said: "He has neither fasted nor broken his fast."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 15309