(15) باب السِّوَاكِ
Huddaifa reported:
Whenever the Messenger of Allah (ﷺ) got up for Tahajjud prayer, he cleansed his mouth with the tooth-stick.
Reference: Sahih Muslim 255a
In-book reference: Book 2, Hadith 60
USC-MSA web (English) reference(deprecated numbering scheme): Book 2, Hadith 491