In-book : Book 27, Hadith 36
English translation : Vol. 4, Book 1, Hadith 1930
27. Chapters on Righteousness And Maintaining Good Relations With Relatives
باب مَا جَاءَ إِذَا اسْتَيْقَظَ أَحَدُكُمْ مِنْ مَنَامِهِ فَلاَ يَغْمِسْ يَدَهُ فِي الإِنَاءِ حَتَّى يَغْسِلَهَا