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:4813Abū al-Qāsim Zayd b. Jaʿfar b. Muḥammad al-ʿAlawī Bi-al-Kūfah > Abū Jaʿfar Muḥammad b. ʿAlī b. Duḥaym > Ibrāhīm b. ʿAbdullāh > Wakīʿ > al-Aʿmash > some companions

[Machine] "Abdullah al-Witr said, 'It is either seven or five, and not less than three.' It was reported by Al-A'mash from Ibrahim, who said, 'Abdullah bin Mas'ud said this, while he was discontinuous and suspended.'"  

البيهقي:٤٨١٣وَأَخْبَرَنَا أَبُو الْقَاسِمِ زَيْدُ بْنُ جَعْفَرِ بْنِ مُحَمَّدٍ الْعَلَوِيُّ بِالْكُوفَةِ أنبأ أَبُو جَعْفَرٍ مُحَمَّدُ بْنُ عَلِيِّ بْنِ دُحَيْمٍ ثنا إِبْرَاهِيمُ بْنُ عَبْدِ اللهِ ثنا وَكِيعٌ عَنِ الْأَعْمَشِ عَنْ بَعْضِ أَصْحَابِهِ قَالَ

قَالَ عَبْدُ اللهِ الْوِتْرُ سَبْعٌ أَوْ خَمْسٌ وَلَا أَقَلُّ مِنْ ثَلَاثٍ وَقِيلَ عَنِ الْأَعْمَشِ عَنْ إِبْرَاهِيمَ قَالَ قَالَ عَبْدُ اللهِ بْنُ مَسْعُودٍ وَهُوَ مُنْقَطِعٌ وَمَوْقُوفٌ