Sunan Abi Dawud 5043
سنن أبي داود#5043SahihIbn ‘Abbas said:The Messenger of Allah (May peace be upon him) got up at night, fulfilled his need and washed his face and hand and then slept. Abu Dawud said: that is to say, he urinated
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Zubair Ali ZaiSahih Bukhari (6316) Sahih Muslim (763)
In-book reference: 43:271