Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
darimi:999 – Mūsá b. Khālid > Muʿtamir from his father > al-Ḥasan

[Machine] "In women experiencing menstrual bleeding, they should wait for forty nights before praying."  

الدارمي:٩٩٩ – أَخْبَرَنَا مُوسَى بْنُ خَالِدٍ حَدَّثَنَا مُعْتَمِرٌ عَنْ أَبِيهِ أَنَّ الْحَسَنَ قَالَ

فِي النُّفَسَاءِ الَّتِي تَرَى الدَّمَ «تَرَبَّصُ أَرْبَعِينَ لَيْلَةً ثُمَّ تُصَلِّي»