Riyad as-SalihinChapter 8Hadith 519
Full Sharh — Riyad as-Salihin 519
وعن عائشة رضي الله عنها، قالت: كنا نعد لرسول الله، سواكه وطهوره، فيبعثه الله ما شاء أن يبعثه من الليل، فيتسوك ويتوضأ ويصلي. ((رواه مسلم)).
English Translation
'Aishah (may Allah be pleased with her) reported:: We used to prepare for the Messenger of Allah (ﷺ) a Miswak (tooth-stick) and the water for making Wudu'. Whenever Allah wished to awaken him from sleep at night, he (ﷺ) would brush his teeth with Miswak, make Wudu', and perform Salat..
Source
Riyad as-Salihin(رياض الصالحين)
The Book of Virtues
Hadith Number
519