´It was narrated from Zaid bin Thabit that :` He said to Marwan: "O Abu Abdul-Malik, do you recite: 'Say: He is Allah, (the) One' and 'Verily, We have granted you Al-Kawthar' in maghrib?" He said: "Yes." He (Zaid) said: "I swear by Allah, I saw the Messenger of Allah (ﷺ) reciting the longer of the two long surahs in it: 'Alif-Lam-Mim-Sad.'"
Hadith Referenceسنن نسائي / باب سجود القرآن / 990
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:إسناده صحيح
´Marwan bin Al-Hakam narrated that:` Zaid bin Thabit said: "Why do I see you reciting short surahs in Maghrib when I saw the Messenger of Allah (ﷺ) reciting the longer of the two long surahs in it?" I said: "O Abu Abdullah, what is the longer of the two long surahs?" He said: "Al-A'raf."
Hadith Referenceسنن نسائي / باب سجود القرآن / 991
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:صحيح بخاري