It is narrated from Sayyiduna Ibn Abbas (may Allah be pleased with them both) that the Messenger of Allah (peace and blessings be upon him) ordered him to recite "Wal-layli idha yaghsha" and "Wash-shamsi wa duhaha" in the Fajr prayer.
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 11229