It is narrated from Hazrat Amr bin Huraith (may Allah be pleased with him) that I heard the Holy Prophet (peace and blessings of Allah be upon him) reciting Surah "Idha ash-Shamsu Kuwwirat" in the Fajr prayer, in which "Wal-laili idha 'as'as" is also included.
Hadith Referenceمسند احمد / تتمہ مُسْنَدِ الْكُوفِيِّينَ / 18737
Hadith Gradingحکم دارالسلام:حديث صحيح، م: 456، الحجاج المحاربي لا بأس به، وأبو الأسود مجهول، وقد توبعا