(30) باب السِّوَاكِ لِمَنْ قَامَ مِنَ اللَّيْلِ
Narrated Aisha, Ummul Mu'minin:
The Prophet (ﷺ) did not get up after sleeping by night or by day without using the tooth-stick before performing ablution.
Reference: Sunan Abi Dawud 57
In-book reference: Book 1, Hadith 57
English translation: Book 1, Hadith 56