ENOfficial
‘Aisha said that when the Prophet (ﷺ) was defiled and wanted to eat or sleep, he performed the ablution prescribed for prayer. (Bukhari and Muslim)
Source: sunnah.com
Other translations
Arabic
وَعَنْ عَائِشَةَ رَضِيَ اللَّهُ عَنْهَا قَالَتْ: كَانَ النَّبِيُّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ إِذَا كَانَ جُنُبًا فَأَرَادَ أَنْ يَأْكُلَ أَوْ ينَام تَوَضَّأ وضوءه للصَّلَاة
sunnah.com