حَدَّثَنَا مُحَمَّدُ بْنُ عِيسَى، حَدَّثَنَا حَجَّاجٌ، عَنِ ابْنِ جُرَيْجٍ، عَنْ حُكَيْمَةَ بِنْتِ أُمَيْمَةَ بِنْتِ رُقَيْقَةَ، عَنْ أُمِّهَا، أَنَّهَا قَالَتْ كَانَ لِلنَّبِيِّ صلى الله عليه وسلم قَدَحٌ مِنْ عَيْدَانٍ تَحْتَ سَرِيرِهِ يَبُولُ فِيهِ بِاللَّيْلِ ‏.‏

Narrated Umaymah daughter of Ruqayqah: The Prophet (PBUH) had a wooden vessel under his bed in which he would urinate at night. Translation Not Available

Book Ref: Sunan Abi Dawud Book 1 Hadith 24
Web Ref:  Sunan Abi Dawud Book 1 Hadith 24