Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
bayhaqi:4792Muḥammad b. ʿAbdullāh al-Ḥāfiẓ > Muḥammad b. Ibrāhīm b. al-Faḍl > Aḥmad b. Salamah > Isḥāq b. Ibrāhīm And Suʾil > al-Witr > Marḥūm b. ʿAbd al-ʿAzīz al-ʿAṭṭār > ʿAsal b. Sufyān > ʿAṭāʾ b. Abū Rabāḥ > Ṣallayt > Janb Ibn ʿAbbās al-ʿIshāʾ al-Ākhirah Falammā Faragh

[Machine] "Shall I not inform you about Witr (an odd-numbered prayer)? I said: Yes. So he stood and performed a single rakah (unit of prayer) and then went into Rukoo' (bowing)."  

البيهقي:٤٧٩٢أَخْبَرَنَا مُحَمَّدُ بْنُ عَبْدِ اللهِ الْحَافِظُ أنبأ مُحَمَّدُ بْنُ إِبْرَاهِيمَ بْنِ الْفَضْلِ ثنا أَحْمَدُ بْنُ سَلَمَةَ قَالَ سَمِعْتُ إِسْحَاقَ بْنَ إِبْرَاهِيمَ وَسُئِلَ عَنِ الْوِتْرِ فَقَالَ أَخْبَرَنِي مَرْحُومُ بْنُ عَبْدِ الْعَزِيزِ الْعَطَّارُ قَالَ حَدَّثَنِي عَسَلُ بْنُ سُفْيَانَ عَنْ عَطَاءِ بْنِ أَبِي رَبَاحٍ قَالَ صَلَّيْتُ إِلَى جَنْبِ ابْنِ عَبَّاسٍ الْعِشَاءَ الْآخِرَةَ فَلَمَّا فَرَغَ قَالَ

أَلَا أُعَلِّمُكَ الْوِتْرَ؟ قُلْتُ بَلَى فَقَامَ فَرَكَعَ رَكْعَةً