(73) باب السِّوَاكِ
Narrated Hudhaifa:
Whenever the Prophet (ﷺ) got up at night, he used to clean his mouth with Siwak. (ID)
Reference (ID): Sahih al-Bukhari 245 (ID)
In-book reference (ID): Book 4, Hadith 112 (ID)
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 1, Book 4, Hadith 246 (ID)