أَخْبَرَنَا أَيُّوبُ بْنُ مُحَمَّدٍ الْوَزَّانُ، قَالَ حَدَّثَنَا حَجَّاجٌ، قَالَ قَالَ ابْنُ جُرَيْجٍ أَخْبَرَتْنِي حُكَيْمَةُ بِنْتُ أُمَيْمَةَ، عَنْ أُمِّهَا، أُمَيْمَةَ بِنْتِ رُقَيْقَةَ قَالَتْ كَانَ لِلنَّبِيِّ صلى الله عليه وسلم قَدَحٌ مِنْ عَيْدَانٍ يَبُولُ فِيهِ وَيَضَعُهُ تَحْتَ السَّرِيرِ .
It was narrated that Umaimah bint Ruqaiqah said: "The Prophet (PBUH) had a vessel made from a date tree in which he would urinate and place it under the bed." Translation Not Available
Book Ref: Sunan An Nisai Book 1 Hadith 32
Web Ref: Sunan An Nisai Vol 1 Book 1 Hadith 32