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.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
bayhaqi:3372 – Abū Bakr al-Qāḍī > Abū Jaʿfar b. Duḥaym > Ibrāhīm b. ʿAbdullāh > Wakīʿ or Sufyān > al-Aʿmash

[Machine] I saw Yahya, meaning the son of Wahthab, counting the verses in the prayer.  

البيهقي:٣٣٧٢ – أَخْبَرَنَا أَبُو بَكْرٍ الْقَاضِي أنبأ أَبُو جَعْفَرِ بْنُ دُحَيْمٍ ثنا إِبْرَاهِيمُ بْنُ عَبْدِ اللهِ ثنا وَكِيعٌ أَوْ سُفْيَانُ عَنِ الْأَعْمَشِ قَالَ

رَأَيْتُ يَحْيَى يَعْنِي ابْنَ وَثَّابٍ يَعُدُّ الْآيَ فِي الصَّلَاةِ