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.
ahmad-zuhd:1506ʿAbdullāh > Hudbah > Sallām b. Miskīn > Suʾil al-Ḥasan Yā Abū Saʿīd Hal Yanām Iblīs

[Machine] If he sleeps, we will find comfort in that.  

الزهد لأحمد:١٥٠٦حَدَّثَنَا عَبْدُ اللَّهِ حَدَّثَنَا هُدْبَةُ حَدَّثَنَا سَلَّامُ بْنُ مِسْكِينٍ قَالَ سُئِلَ الْحَسَنُ يَا أَبَا سَعِيدٍ هَلْ يَنَامُ إِبْلِيسُ؟ قَالَ

لَوْ نَامَ لَوَجَدْنَا لِذَلِكَ رَاحَةً