Al-Harith bin Hisham asked the Messenger of Allah ﷺ: 'How does the Revelation come to you?' He said: 'Like the ringing of a bell, and this is the hardest on me. When it departs I remember what he said. And sometimes the Angel appears to me in the form of a man and speaks to me, and I remember what he said." Aishah said: "I saw him when the Revelation came to him on a very cold day, and his forhead was dripping with sweat." (Using translation from Nasāʾī 934)
أَنَّ الْحَارِثَ بْنَ هِشَامٍ سَأَلَ رَسُولَ اللهِ ﷺ فَقَالَ يَا رَسُولَ اللهِ كَيْفَ يَأْتِيكَ الْوَحْيُ فَقَالَ رَسُولُ اللهِ ﷺ أَحْيَانًا يَأْتِينِي فِي مِثْلِ صَلْصَلَةِ الْجَرَسِ وَهُوَ أَشَدُّهُ عَلَيَّ فَيَفْصِمُ عَنِّي وَقَدْ وَعَيْتُ مَا قَالَ وَأَحْيَانًا يَأْتِينِي يَتَمَثَّلُ لِي الْمَلَكُ رَجُلًا فَيُكَلِّمُنِي فَأَعِي مَا يَقُولُ قَالَتْ عَائِشَةُ وَلَقَدْ رَأَيْتُهُ يَنْزِلُ عَلَيْهِ فِي الْيَوْمِ الشَّدِيدِ الْبَرْدِ فَيَفْصِمُ عَنْهُ وَإِنَّ جَبِينَهُ لَيَتَفَصَّدُ عَرَقًا