Hadith Research Libraryمكتبة الحديث والرجال
Mishkat al-Masabih, 315

Hadith text · Matn

وَعَن مُعَاوِيَة بن أبي سُفْيَان أَنَّ النَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: قَالَ: «إِنَّمَا الْعَيْنَانِ وِكَاءُ السَّهِ فَإِذَا نَامَتِ الْعَيْنُ اسْتطْلقَ الوكاء» . رَوَاهُ الدِّرَامِي

English translation

Mu'awiya b. Abu Sufyan reported the Prophet (ﷺ) as saying, “The eyes are the leather strap of the anus, and when the eye sleeps the leather strap is loosened.” Darimi transmitted it.

References1 variant
In-Book Reference
Book 3, Hadith 32