It was narrated from Jabir bin ‘Abdullah that the Messenger of Allah ﷺ said:
“If anyone of you sees a dream that he dislikes, let him spit dryly to his left three times and seek refuge with Allah from Satan three times, and turn over onto his other side.”

حَدَّثَنَا مُحَمَّدُ بْنُ رُمْحٍ الْمِصْرِيُّ، أَنْبَأَنَا اللَّيْثُ بْنُ سَعْدٍ، عَنْ أَبِي الزُّبَيْرِ، عَنْ جَابِرِ بْنِ عَبْدِ اللَّهِ، عَنْ رَسُولِ اللَّهِ ﷺ أَنَّهُ قَالَ " إِذَا رَأَى أَحَدُكُمُ الرُّؤْيَا يَكْرَهُهَا فَلْيَبْصُقْ عَنْ يَسَارِهِ ثَلاَثًا وَلْيَسْتَعِذْ بِاللَّهِ مِنَ الشَّيْطَانِ ثَلاَثًا وَلْيَتَحَوَّلْ عَنْ جَنْبِهِ الَّذِي كَانَ عَلَيْهِ " .