Hadith 207

Riyad as-Salihin

Book 8: The Book of Virtues

Chapter 215

The Excellence of using Miswak (Tooth-Stick)

باب فضل السواك وخصال الفطرة‏:‏

Riyad as-Salihin 1197
وعن حذيفة رضي الله عنه، قال‏:‏ كان رسول الله صلى الله عليه وسلم، إذا قام من النوم يشوص فاه بالسواك‏.‏ ‏(‏‏(‏متفق عليه‏)‏‏)‏
Hudaifah (May Allah be pleased with him) reported:

Whenever the Messenger of Allah (ﷺ) got up (from sleep), he would rub his teeth with Miswak (tooth-stick).[Al-Bukhari and Muslim].