Merit of Suhur (Predawn meal in Ramadan) and the Excellence of Delaying having it till before Dawn Riyad as-Salihin 1232
Arabic hadith text
وعن عمرو بن العاص رضي الله عنه أن رسول الله قال: "فصل ما بين صيامنا وصيام أهل الكتاب أكلة السحر. ((رواه مسلم)).
Translation
'Amr bin Al-'As (May Allah be pleased with him) reported
The Messenger of Allah (ﷺ) said, "The difference between our observance of Saum (fasting) and that of the people of the Scriptures is Suhur (predawn meal in Ramadan)."[Muslim].