Hadith 1365
Narrated Abdullah ibn Abbas: I spent a night with my maternal aunt Maymunah. The Prophet ﷺ got up to pray at night. He prayed thirteen rak'ahs including two rak'ahs of the dawn prayer. I guessed that he stood in every rak'ah as long as one could recite Surah al-Muzzammil (73).
Hadith 1395
Narrated Abdullah ibn Amr ibn al-As: Wahb ibn Munabbih said: Abdullah ibn Amr asked the Prophet ﷺ; In how many days should one complete the recitation of the Quran? He said: In forty days. He then said: In one month. He again said: In twenty days. He then said: In fifteen days. He then said: In ten days. Finally he said: In seven days.