Hadith #3135 (Jami' al-Tirmidhi)
Book: Chapters on Tafsir
Narrator(s): al-Nadr bin Arby al-Bahly النضر بن عربي الباهلي مولاهم أبو روح, Mujahid bin Jabir مجاهد بن جبر, Waki' bin al-Jarrah وكيع بن الجراح

regarding Allah, Most High, saying: “And recite the Qur’an in the early dawn. Verily the recitation of the Qur’an in the early dawn is ever witnessed (17:78).” The Prophet (ﷺ) said: “It is witnessed by the angels of the night and the angels of the day.”

Source: https://parallelquran.com/hadith/jami-al-tirmidhi-3135/