Sahih Muslim Book 6, Hadith Number 2413.

Chapter : Excellence of taking meal before dawn, stress on giving It preference and preference for deferring it (at the fag end of the night) and hastening in breaking it.

‘Amr b. al-‘As reported Allah’s Messenger (may peace be upon him) as saying: The difference between our fasting and that of the people of the Book is eating shortly before dawn.