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
tirmidhi:2461 – ʿAbd b. Ḥumayd > ʿAbd al-Razzāq > Maʿmar > al-Zuhrī > ʿUbaydullāh b. ʿAbdullāh b. Abū Thawr > Ibn ʿAbbās > ʿUmar b. al-Khaṭṭāb

"'Umar bin Al-Khattab informed me, saying: 'I entered upon the Messenger of Allah ﷺ and saw him reclining upon a mat woven from fibers, and I could see the impressions it left upon his side.'"  

الترمذي:٢٤٦١ – حَدَّثَنَا عَبْدُ بْنُ حُمَيْدٍ أَخْبَرَنَا عَبْدُ الرَّزَّاقِ عَنْ مَعْمَرٍ عَنِ الزُّهْرِيِّ عَنْ عُبَيْدِ اللَّهِ بْنِ عَبْدِ اللَّهِ بْنِ أَبِي ثَوْرٍ قَالَ سَمِعْتُ ابْنَ عَبَّاسٍ يَقُولُ أَخْبَرَنِي عُمَرُ بْنُ الْخَطَّابِ قَالَ

دَخَلْتُ عَلَى رَسُولِ اللَّهِ ﷺ فَإِذَا هُوَ مُتَّكِئٌ عَلَى رَمْلِ حَصِيرٍ فَرَأَيْتُ أَثَرَهُ فِي جَنْبِهِ  

قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ وَفِي الْحَدِيثِ قِصَّةٌ طَوِيلَةٌ

See similar narrations below:

Collected by Aḥmad
ahmad:20911 – ʿAbdullāh > ʿUthmān b. Muḥammad > Wakīʿ > Isrāʾīl > Simākʿan Jābir b. Samurah

[Machine] I entered to the Prophet ﷺ and saw him leaning on his elbow.  

أحمد:٢٠٩١١ – حَدَّثَنَا عَبْدُ اللهِ حَدَّثَنِي عُثْمَانُ بْنُ مُحَمَّدٍ حَدَّثَنَا وَكِيعٌ عَنْ إِسْرَائِيلَ عَنْ سِمَاكٍعَنْ جَابِرِ بْنِ سَمُرَةَ قَالَ

دَخَلْتُ عَلَى النَّبِيِّ ﷺ فَرَأَيْتُهُ مُتَّكِئًا عَلَى مِرْفَقِهِ