He (the Prophet) got up and prayed eight rak'ahs in pairs, and then observed witr with five rak'ahs and he did not sit between them.
فَقَامَ فَصَلَّى رَكْعَتَيْنِ رَكْعَتَيْنِ حَتَّى صَلَّى ثَمَانِيَ رَكَعَاتٍ ثُمَّ أَوْتَرَ بِخَمْسٍ لَمْ يَجْلِسْ بَيْنَهُنَّ