[Machine] From some companions of the Prophet ﷺ, it was narrated that the Prophet ﷺ was seen having a headache and he was pouring water on his head because of the heat or thirst while he was fasting.  

عَنْ بَعْضِ أَصْحَابِ النَّبِيِّ ﷺ أَنَّ النَّبِيَّ ﷺ رُئِيَ بِالْعَرْجِ وَهُوَ يَصُبُّ عَلَى رَأْسِهِ الْمَاءَ مِنَ الْحَرِّ أَوْ مِنَ الْعَطَشِ وَهُوَ صَائِمٌ