"The Prophet (ﷺ) used to pray two rak'ahs of Fajr when he heard the Adhan and he made them brief."
Sunan an-Nasa'i Book 20, Hadith 185
← Previous Hadith He asked Aishah about the prayer of the Messenger of Allah (ﷺ) at night. She said: "He used to pray thirteen rak'ahs. He would pray eight rak'ahs then pray witr, then pray two rak'ahs sitting down. When he wanted to bow he would stand and bow, and he prayed two rak'ahs between the adhan and iqamah of subh prayer.

Sunan an-Nasa'i Book 20, Hadith 184 Next Hadith → "As-Sa'ib bin Yazid told me that Shuraih Al-Hadrami was mentioned in the presence of the Messenger of Allah (ﷺ), and the Messenger of Allah (ﷺ) said: "He does not sleep on the Qur'an"

Sunan an-Nasa'i Book 20, Hadith 186