Abdur Rahman bin Abi Layla عبد الرحمن بن أبي ليلى · The Book on Al-Witr

"No one informed that they saw Allah's Messenger praying Ad-Duha except Umm Hani. She narrated that Allah's Messenger entered her house on the Day of the Conquest of Makkah. He performed Ghusl and performed eight voluntary Rak'ah such that she had not ever seen him pray any Salat lighter than them, but that he completed the bowing and prostrations."

"We said: 'O Messenger of Allah! We have learned about saying the Salam to you, but how about As-Salat upon you?' He said: 'Say: (Allahumma salli ala Muhammadin Wa Ala ali Muhammadin kama sallaita Ala Ibrahim, Innaka hamidan MAjid, Wa barik Ala Muhammadin wa Ala ali Muhammadin kamma barakta Ala Ibrahim Innaka Hamidan Majid)" O Allah! Send Salat upon Muhammad and upon Muhammad's family just as You have sent Salat upon Ibrahim, indeed You are the Praise and Majestic. And…