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
ahmad-zuhd:44 – ʿAbdullāh > Abū Maʿmar / al-Qaṭīʿī > Jarīr / Ibn ʿAbd al-Ḥamīd And Wakīʿ / Ibn al-Jarrāḥ > Sufyān > Muḥammad b. al-Munkadir

[Machine] It was said, "O Messenger of Allah, when do the people of Paradise sleep?" He said, "Sleep is the brother of death and the people of Paradise do not sleep."  

الزهد لأحمد:٤٤ – حَدَّثَنَا عَبْدُ اللَّهِ حَدَّثَنِي أَبُو مَعْمَرٍ يَعْنِي الْقَطِيعِيَّ حَدَّثَنَا جَرِيرٌ يَعْنِي ابْنَ عَبْدِ الْحَمِيدِ وَوَكِيعٌ يَعْنِي ابْنَ الْجَرَّاحِ عَنْ سُفْيَانَ عَنْ مُحَمَّدِ بْنِ الْمُنْكَدِرِ قَالَ

قِيلَ يَا رَسُولَ اللَّهِ أَيَنَامُ [12] أَهْلُ الْجَنَّةِ؟ قَالَ «النَّوْمُ أَخُو الْمَوْتِ وَأَهْلُ الْجَنَّةِ لَا يَمُوتُونَ»  

See similar narrations below:

Collected by Suyūṭī