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:1524 – Muḥammad b. Ḥumayd > Ibrāhīm b. Mukhtār > Muḥammad b. Isḥāq from his uncle ʿAbd al-Raḥman b. Yasār > ʿUbaydullāh b. Abū Rāfiʿ > Abiyih > ʿAlī

[Machine] The Messenger of Allah ﷺ said, "When it is one-third or half of the night, then remember the descent."  

الدارمي:١٥٢٤ – أَخْبَرَنَا مُحَمَّدُ بْنُ حُمَيْدٍ حَدَّثَنَا إِبْرَاهِيمُ بْنُ مُخْتَارٍ عَنْ مُحَمَّدِ بْنِ إِسْحَاقَ عَنْ عَمِّهِ عَبْدِ الرَّحْمَنِ بْنِ يَسَارٍ عَنْ عُبَيْدِ اللَّهِ بْنِ أَبِي رَافِعٍ عَنْ أَبِيِهِ عَنْ عَلِيٍّ قَالَ

قَالَ رَسُولُ اللَّهِ ﷺ «إِذَا كَانَ ثُلُثُ اللَّيْلِ أَوْ نِصْفُ اللَّيْلِ فَذَكَرَ النُّزُولَ»