It wasnarrated from Anas bin Malik that Zaid bin Thabit said:
"WeateSuhur with the Messenger of Allah (ﷺ) then we got up to performprayer." I said: "How long was there between the two?" He said:"Aslong as it takes to recite fifty Verses."
English reference: Vol. 1, Book 7, Hadith 1694
Arabic reference: Book 7, Hadith 1764