Chapter: Siwak (to clean the teeth with Siwak which is a tooth-brush in the form of a pencil from the roots of the Arak tree
Narrated Hudhaifa:Whenever the Prophet (ﷺ) got up at night, he used to clean his mouth with Siwak.
Reference
Sahih al-Bukhari 245
In-book reference
Book 4, Hadith 111
USC-MSA web (English)
Vol. 1, Book 4, Hadith 246
Translation by Dr. M. Muhsin Khan · Language: EN
Sahih
Arabic Text
حَدَّثَنَا عُثْمَانُ، قَالَ حَدَّثَنَا جَرِيرٌ، عَنْ مَنْصُورٍ، عَنْ أَبِي وَائِلٍ، عَنْ حُذَيْفَةَ، قَالَ كَانَ النَّبِيُّ صلى الله عليه وسلم إِذَا قَامَ مِنَ اللَّيْلِ يَشُوصُ فَاهُ بِالسِّوَاكِ.