عَنْ أَبِي هُرَيْرَةَ رَضِيَ اللَّهُ عَنْهُ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «لَوْلَا أَنْ أَشُقَّ عَلَى أُمَّتِي لَأَمَرْتُهُمْ بِتَأْخِيرِ الْعشَاء وبالسواك عِنْد كل صَلَاة»
Translation

Shuraih b. Hani’ said that he asked ‘A'isha what God’s messenger did first when he entered his house, and she replied that he used the tooth-stick. Muslim transmitted it.