The Messenger of Allah ﷺ said, "Take the pre-dawn meal, even if only with a sip of water."
قال رسول الله ﷺ: تسحروا ولو بجرعة من ماء.
No references are available.
Ibn Hibban narrated it in his Sahih (3476), from Ahmad bin Yahya bin Zuhayr at Tustar, who said, Ibrahim bin Rashid Adami narrated to us, who said, Muhammad bin Bilal narrated to us, who said, Imran Qattan narrated to us, from Qatada, from Uqbah bin Wassaj, from Abdullah bin Amr, and he mentioned it.Its chain is hasan because of Ibrahim bin Rashid and Imran Qattan, for both of them make the hadith hasan.