«إِذَا رَأَى أَحَدُكُمْ مَا يُحِبُّ فَلْيُحَدِّثْ بِهِ، وَإِذَا رَأَى مَا يَكْرَهُ فَلْيَتَحَوَّلْ إِلَى جَنْبِهِ الْآخَرِ، وَلْيَتْفُلْ عَنْ يَسَارِهِ ثَلَاثًا، وَلْيَسْتَعِذْ بِاللهِ مِنْ شَرِّهَا، وَلَا يُحَدِّثْ بِهَا أَحَدًا فَإِنَّهَا لَنْ تَضُرَّه»
(If any of you saw a vision that he likes, let him narrate it. If he saw a dream that he dislikes, let him turn on his other side, blow to his left thrice, seek refuge with Allah from its evil and not tell it to anyone. Verily, it will not harm him in this case.) In another Hadith that Imam Ahmad and collectors of the Sunan collected, Mu`awiyah bin Haydah Al-Qushayri said that the Messenger of Allah said,