Riyad as-SalihinChapter 8Hadith 518
Full Sharh — Riyad as-Salihin 518
وعن حذيفة رضي الله عنه، قال: كان رسول الله صلى الله عليه وسلم، إذا قام من النوم يشوص فاه بالسواك. ((متفق عليه))
English Translation
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)..
Source
Riyad as-Salihin(رياض الصالحين)
The Book of Virtues
Hadith Number
518