That he asked ʿAisha "How was the prayer of Messenger of Allah ﷺ in the month of Ramadan?" She replied, "He used not to pray more than eleven rakʿat whether in Ramadan or in any other month. He used to offer four rakʿat, let alone their beauty and length, and then four rakʿat, let alone their beauty and length. Afterwards he would offer three rakʿat. I said, 'O Messenger of Allah ﷺ! Do you go to bed before offering the witr prayer?' He said, 'My eyes sleep, but my heart does not sleep."'  

أَنَّهُ سَأَلَ عَائِشَةَ ؓ كَيْفَ كَانَتْ صَلاَةُ رَسُولِ اللَّهِ ﷺ فِي رَمَضَانَ قَالَتْ مَا كَانَ يَزِيدُ فِي رَمَضَانَ وَلاَ غَيْرِهِ عَلَى إِحْدَى عَشْرَةَ رَكْعَةً يُصَلِّي أَرْبَعَ رَكَعَاتٍ فَلاَ تَسْأَلْ عَنْ حُسْنِهِنَّ وَطُولِهِنَّ ثُمَّ يُصَلِّي أَرْبَعًا فَلاَ تَسْأَلْ عَنْ حُسْنِهِنَّ وَطُولِهِنَّ ثُمَّ يُصَلِّي ثَلاَثًا فَقُلْتُ يَا رَسُولَ اللَّهِ تَنَامُ قَبْلَ أَنْ تُوتِرَ قَالَ تَنَامُ عَيْنِي وَلاَ يَنَامُ قَلْبِي  

I heard Anas bin Malik telling us about the night when the Prophet ﷺ was made to travel from the Kaʿba Mosque. Three persons (i.e. angels) came to the Prophet ﷺ before he was divinely inspired was an Aspostle), while he was sleeping in Al Masjid-ul-Haram. The first (of the three angels) said, "Which of them is he?" The second said, "He is the best of them." That was all that happened then, and he did not see them till they came at another night and he perceived their presence with his heart, for the eyes of the Prophet ﷺ were closed when he was asleep, but his heart was not asleep (not unconscious). This is characteristic of all the prophets: Their eyes sleep but their hearts do not sleep. Then Gabriel took charge of the Prophet ﷺ and ascended along with him to the Heaven.  

يُحَدِّثُنَا عَنْ لَيْلَةِ أُسْرِيَ بِالنَّبِيِّ ﷺ مِنْ مَسْجِدِ الْكَعْبَةِ جَاءَ ثَلاَثَةُ نَفَرٍ قَبْلَ أَنْ يُوحَى إِلَيْهِ وَهُوَ نَائِمٌ فِي مَسْجِدِ الْحَرَامِ فَقَالَ أَوَّلُهُمْ أَيُّهُمْ هُوَ فَقَالَ أَوْسَطُهُمْ هُوَ خَيْرُهُمْ وَقَالَ آخِرُهُمْ خُذُوا خَيْرَهُمْ فَكَانَتْ تِلْكَ فَلَمْ يَرَهُمْ حَتَّى جَاءُوا لَيْلَةً أُخْرَى فِيمَا يَرَى قَلْبُهُ وَالنَّبِيُّ ﷺ نَائِمَةٌ عَيْنَاهُ وَلاَ يَنَامُ قَلْبُهُ وَكَذَلِكَ الأَنْبِيَاءُ تَنَامُ أَعْيُنُهُمْ وَلاَ تَنَامُ قُلُوبُهُمْ فَتَوَلاَّهُ جِبْرِيلُ ثُمَّ عَرَجَ بِهِ إِلَى السَّمَاءِ