[Machine] The Messenger of Allah ﷺ used to wake up in a state of sexual impurity without having a wet dream, but that did not prevent him from fasting.
كَانَ رَسُولُ اللهِ ﷺ «يُصْبِحُ جُنُبًا مِنْ غَيْرِ احْتِلَامٍ ثُمَّ لَا يَمْنَعُهُ ذَلِكَ مِنْ صَوْمٍ»