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
darimi:1517 – Zayd b. ʿAwf > Abū ʿAwānah > ʿAbd al-Malik b. ʿUmayr > Muḥammad b. al-Muntashir > Ḥumayd b. ʿAbd al-Raḥman > Abū Hurayrah

that the Prophet ﷺ said, "The best ˹voluntary˺ ritual prayer after the farḍ (mandatory) prayer is ˹that which is done˺ in the middle of the night."   

الدارمي:١٥١٧ – أَخْبَرَنَا زَيْدُ بْنُ عَوْفٍ حَدَّثَنَا أَبُو عَوَانَةَ عَنْ عَبْدِ الْمَلِكِ بْنِ عُمَيْرٍ عَنْ مُحَمَّدِ بْنِ الْمُنْتَشِرِ عَنْ حُمَيْدِ بْنِ عَبْدِ الرَّحْمَنِ عَنْ أَبِي هُرَيْرَةَ

أَنَّ النَّبِيَّ ﷺ قَالَ «أَفْضَلُ الصَّلَاةِ بَعْدَ الْفَرِيضَةِ الصَّلَاةُ فِي جَوْفِ اللَّيْلِ»  

See similar narrations below:

Collected by Suyūṭī