In-book : Book 15, Hadith 34
English translation : Vol. 3, Book 13, Hadith 1354
15. The Chapters On Judgements From The Messenger of Allah
باب مَا جَاءَ إِذَا اسْتَيْقَظَ أَحَدُكُمْ مِنْ مَنَامِهِ فَلاَ يَغْمِسْ يَدَهُ فِي الإِنَاءِ حَتَّى يَغْسِلَهَا