Sahih Muslim 1817
صحيح مسلم#1817Sahihحَدَّثَنَا عُثْمَانُ بْنُ أَبِي شَيْبَةَ، وَإِسْحَاقُ، قَالَ عُثْمَانُ حَدَّثَنَا جَرِيرٌ، عَنْ مَنْصُورٍ، عَنْ أَبِي وَائِلٍ، عَنْ عَبْدِ اللَّهِ، قَالَ ذُكِرَ عِنْدَ رَسُولِ اللَّهِ صلى الله عليه وسلم رَجُلٌ نَامَ لَيْلَةً حَتَّى أَصْبَحَ قَالَ " ذَاكَ رَجُلٌ بَالَ الشَّيْطَانُ فِي أُذُنَيْهِ " . أَوْ قَالَ " فِي أُذُنِهِ " .
Abdullah (b. Mas'ud) reported that a mention was made of a man who slept the whole night till morning. He (the Holy Prophet) remarked:That is a man in whose ears (or in whose ear) the devil urinated
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 6:245