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.
nasai-kubra:10678Muḥammad b. al-ʿAlāʾ Fī Ḥadīthih > Abū Bakr b. ʿAyyāsh > Abū Ḥuṣayn > Abū Ṣāliḥ

[Machine] Abu Huraira said, "A good dream is a glad tiding from Allah. These are the type of dreams that bring good news. So, if any of you sees a dream that they dislike, they should not tell anyone about it and should spit three times to their left, as it will not harm them."  

الكبرى للنسائي:١٠٦٧٨أَخْبَرَنَا مُحَمَّدُ بْنُ الْعَلَاءِ فِي حَدِيثِهِ عَنْ أَبِي بَكْرِ بْنِ عَيَّاشٍ عَنْ أَبِي حُصَيْنٍ عَنْ أَبِي صَالِحٍ قَالَ

قَالَ أَبُو هُرَيْرَةَ «الرُّؤْيَا الْحَسَنَةُ بُشْرَى مِنَ اللهِ وَهُنَّ الْمُبَشِّرَاتُ فَمَنْ رَأَى مِنْكُمْ رُؤْيَا تَسُوءُهُ فَلَا يُخْبِرْ بِهَا أَحَدًا وَلْيَتْفِلْ عَنْ يَسَارِهِ ثَلَاثًا فَإِنَّهَا لَنْ تَضُرَّهُ»