Abd al-Aziz bin Suhayb (may Allah have mercy on him) reports that Anas bin Malik (may Allah be pleased with him) narrated from the Prophet (peace and blessings be upon him) that he (peace and blessings be upon him) said: "Take the pre-dawn meal (suhur), for indeed in the suhur there is blessing."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصيام / 8114