وعن حذيفة رضي الله عنه
قال: كان رسول الله صلى الله عليه وسلم، إذا قام من النوم يشوص فاه بالسواك
Whenever the Messenger of Allah (sallallahu alayhi wa sallam) got up (from sleep), he would rub his teeth with Miswak (tooth-stick).
Riyad as-Salihin 1197, Book 9, The Book of Virtues, Hadith 207. 1 min read