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
أَنَّ رَسُولَ اللَّهِ ﷺ قَامَ مِنَ اللَّيْلِ فَقَضَى حَاجَتَهُ فَغَسَلَ وَجْهَهُ وَيَدَيْهِ ثُمَّ نَامَ