(15) باب السِّوَاكِ
(493) Hudaifa reported:
Whenever he (the Holy Prophet) got up for prayer during the night, he cleansed his mouth with the tooth-stick.
Reference: Sahih Muslim 255c
In-book reference: Book 2, Hadith 62
USC-MSA web (English) reference(deprecated numbering scheme): Book 2, Hadith 493