the Messenger of Allah said: "Three things do not break the fast of the fasting person: Cupping, vomiting, and the wet dream."

قَالَ رَسُولُ اللَّهِ ﷺ ثَلاَثٌ لاَ يُفْطِرْنَ الصَّائِمَ الْحِجَامَةُ وَالْقَىْءُ وَالاِحْتِلاَمُ