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.
ahmad:7888ʿAttāb b. Ziyād > ʿAbdullāh b. Mubārak > Maʿmar > Hammām b. Munabbih > Abū Hurayrah

[Machine] Narrated by the Prophet, ﷺ , that whenever he would inhale, he would let water enter his nostrils.  

أحمد:٧٨٨٨حَدَّثَنَا عَتَّابُ بْنُ زِيَادٍ حَدَّثَنَا عَبْدُ اللهِ بْنُ مُبَارَكٍ أَخْبَرَنَا مَعْمَرٌ عَنْ هَمَّامِ بْنِ مُنَبِّهٍ عَنْ أَبِي هُرَيْرَةَ

عَنِ النَّبِيِّ ﷺ أَنَّهُ كَانَ إِذَا اسْتَنْشَقَ أَدْخَلَ الْمَاءَ فِي مَنْخِرَيْهِ