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
nasai-kubra:404 – Qutaybah b. Saʿīd > ʿAthhām b. ʿAlī > al-Aʿmash > Ḥabīb b. Abū Thābit > Saʿīd b. Jubayr > Ibn ʿAbbās

[Machine] The Messenger of Allah ﷺ used to pray two rak'ahs, then he would go away and rest for a while. 'Atham said, this means the two rak'ahs before dawn.  

الكبرى للنسائي:٤٠٤ – أَخْبَرَنَا قُتَيْبَةُ بْنُ سَعِيدٍ قَالَ حَدَّثَنَا عَثَّامُ بْنُ عَلِيٍّ عَنِ الْأَعْمَشِ عَنْ حَبِيبِ بْنِ أَبِي ثَابِتٍ عَنْ سَعِيدِ بْنِ جُبَيْرٍ عَنِ ابْنِ عَبَّاسٍ قَالَ

كَانَ رَسُولُ اللهِ ﷺ يُصَلِّي رَكْعَتَيْنِ ثُمَّ يَنْصَرِفُ فَيَسْتَاكُ قَالَ عَثَّامٌ يَعْنِي الرَّكْعَتَيْنِ قَبْلَ الْفَجْرِ  

See similar narrations below:

Collected by Ibn Mājah, Aḥmad, Suyūṭī
ibnmajah:288 – Sufyān b. Wakīʿ > ʿAthhām b. ʿAlī > al-Aʿmash > Ḥabīb b. Abū Thābit > Saʿīd b. Jubayr > Ibn ʿAbbās

"The Messenger of Allah used to pray in the night (Qiyamul-Lail) two Rak'ah by two, then when he finished he would use the tooth stick."  

ابن ماجة:٢٨٨ – حَدَّثَنَا سُفْيَانُ بْنُ وَكِيعٍ حَدَّثَنَا عَثَّامُ بْنُ عَلِيٍّ عَنِ الأَعْمَشِ عَنْ حَبِيبِ بْنِ أَبِي ثَابِتٍ عَنْ سَعِيدِ بْنِ جُبَيْرٍ عَنِ ابْنِ عَبَّاسٍ قَالَ

كَانَ رَسُولُ اللَّهِ ﷺ يُصَلِّي بِاللَّيْلِ رَكْعَتَيْنِ رَكْعَتَيْنِ ثُمَّ يَنْصَرِفُ فَيَسْتَاكُ  

ahmad:1881 – ʿAthhām b. ʿAlī al-ʿĀmirī > al-Aʿmash > Ḥabīb b. Abū Thābit > Saʿīd b. Jubayr > Ibn ʿAbbās

"The Messenger of Allah used to pray in the night (Qiyamul-Lail) two Rak'ah by two, then when he finished he would use the tooth stick." (Using translation from Ibn Mājah 288)   

أحمد:١٨٨١ – حَدَّثَنَا عَثَّامُ بْنُ عَلِيٍّ الْعَامِرِيُّ حَدَّثَنَا الْأَعْمَشُ عَنْ حَبِيبِ بْنِ أَبِي ثَابِتٍ عَنْ سَعِيدِ بْنِ جُبَيْرٍ عَنِ ابْنِ عَبَّاسٍ قَالَ

كَانَ رَسُولُ اللهِ ﷺ يُصَلِّي مِنَ اللَّيْلِ رَكْعَتَيْنِ ثُمَّ يَنْصَرِفُ فَيَسْتَاكُ  

suyuti:420-452b – Ibn ʿAbbās
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السيوطي:٤٢٠-٤٥٢b –

"عَنِ ابْنِ عَبَّاسٍ قَالَ: كَانَ رَسُولُ الله ﷺ يُصَلِّي مِنَ اللَّيْلِ رَكْعَتَيْنِ ثُمَّ يَنْصَرِفُ فَيَسْتَاك".  

[كر] ابن عساكر في تاريخه