Not graded
Sunan ad-Darimi 800
حَدَّثَنَا مُوسَى بْنُ خَالِدٍ عَنْ مُعْتَمِرٍ عَنْ أَبِيهِ عَنْ الْحَسَنِ فِي الْمُسْتَحَاضَةِ تَغْتَسِلُ مِنْ صَلَاةِ الظُّهْرِ إِلَى صَلَاةِ الظُّهْرِ مِنْ الْغَدِ
This hadith has no English translation yet: the Arabic text, the reference and the grade are shown here.
Reported by Ad-Darimi (No. 800).