´It was narrated from 'Abdullah bin Mughaffal that the Prophet (ﷺ) said:` "None of you should urinate in the place where he bathes, for most Waswas (devilish whispers) [1] come from that." [1] I.e., with regard to whether the urine has soiled his body or not.
Hadith Referenceسنن نسائي / ذكر الفطرة / 36
Hadith Gradingالألبانی:صحيح دون قوله فإن عامة الوسواس منه | زبیر علی زئی:ضعيف، إسناده ضعيف، ابو داود (27) ترمذي (21) ابن ماجه (304) انوار الصحيفه، صفحه نمبر 321