We complained to the Messenger of Allah ﷺ (the difficulty of) saying prayer on the intensely heated (ground or sand), but he paid no heed to our complaint. (Using translation from Muslim 619a)
«شَكَوْنَا إِلَى رَسُولِ اللهِ ﷺ الصَّلَاةَ فِي الرَّمْضَاءِ فَلَمْ يُشْكِنَا»