Jami` at-Tirmidhi 463
جامع الترمذي#463Da'ifAbdul-Aziz bin Juraij said:"I asked Aishah about what (recitation) Allah's Messenger would perform Al-Witr with. She said: 'In the first he would recite: Glorify the Name of your Lord the Most High, in the second: Say: O you disbelievers!, and in the third: Say: Allah is One" and, Al-Mu'awwidhatain
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Bashar Awad MaaroufHasan
Zubair Ali ZaiDaif
In-book reference: 3:11