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.
hakim:1135al-Shaykh Abū Bakr b. Isḥāq al-Faqīh > Muḥammad b. Ghālib > Ḥātim b. Sālim al-Baṣrī > ʿAbd al-Wārith b. Saʿīd > Khālid al-Ḥadhhāʾ > Abū Qilābah > Um al-Dardāʾ > Abū al-Dardāʾ > Rubbamā

[Machine] Perhaps I saw the Prophet ﷺ praying Tahajjud while the people were standing for Fajr prayer.  

الحاكم:١١٣٥حَدَّثَنَا الشَّيْخُ أَبُو بَكْرِ بْنُ إِسْحَاقَ الْفَقِيهُ أَنْبَأَ مُحَمَّدُ بْنُ غَالِبٍ ثنا حَاتِمُ بْنُ سَالِمٍ الْبَصْرِيُّ ثنا عَبْدُ الْوَارِثِ بْنُ سَعِيدٍ عَنْ خَالِدٍ الْحَذَّاءِ عَنْ أَبِي قِلَابَةَ عَنْ أُمِّ الدَّرْدَاءِ عَنْ أَبِي الدَّرْدَاءِ قَالَ

رُبَّمَا «رَأَيْتُ النَّبِيَّ ﷺ يُوتِرُ وَقَدْ قَامَ النَّاسُ لِصَلَاةِ الصُّبْحِ»  

هَذَا حَدِيثٌ صَحِيحُ الْإِسْنَادِ وَلَمْ يُخَرِّجَاهُ صحيح