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
tabarani:14810 – Aḥmad b. Rustah al-Aṣbahānī > Muḥammad b. al-Mughīrah > al-Ḥakam b. Ayyūb > Zufar > Abū Ḥanīfah > Ḥammād > Ibrāhīm > Abū ʿAbdullāh al-Jadalī > ʿUqbah b. ʿAmr And ʾAbī Mūsá al-Ashʿarī Annahumā

[Machine] On the authority of Uqbah ibn 'Amr and Abu Musa Al-Ash'ari, they said: "The Messenger of Allah ﷺ used to perform voluntary prayers occasionally at the beginning and middle of the night to make it easy for the Muslims."  

الطبراني:١٤٨١٠ – حَدَّثَنَا أَحْمَدُ بْنُ رُسْتَه الْأَصْبَهَانِيُّ ثَنَا مُحَمَّدُ بْنُ الْمُغِيرَةِ ثَنَا الْحَكَمُ بْنُ أَيُّوبَ عَنْ زُفَرَ عَنْ أَبِي حَنِيفَةَ عَنْ حَمَّادٍ عَنْ إِبْرَاهِيمَ عَنْ أَبِي عَبْدِ اللهِ الْجَدَلِيِّ

عَنْ عُقْبَةَ بْنِ عَمْرٍو وَأَبِي مُوسَى الْأَشْعَرِيِّ أَنَّهُمَا قَالَا «كَانَ رَسُولُ اللهِ ﷺ يُوتِرُ أَحْيَانًا أَوَّلَ اللَّيْلِ وَوَسَطَهُ لِيَكُونَ سَعَةً لِلْمُسْلِمِينَ»  

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Collected by Suyūṭī
suyuti:648-14b – ʿQbah b. ʿAmr
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السيوطي:٦٤٨-١٤b –

"عَنْ عقْبَةَ بْنِ عَمْرٍو قَالَ: كانَ رَسُولُ الله ﷺ يُوتِرُ أَحْيَانًا أَوَّلَ اللَّيْلِ وَأَحْيَانًا أَوْسَطَهُ وَأَحْيَانًا آخِرَهُ، لِيَكُونَ سَعَة لِلْمُسْلِمِين أَى ذَلِكَ أَخَذُوا بِهِ كانَ صَوَابًا".  

ابن جرير