“At every part of the night the Messenger of Allah ﷺ prayed Witr, at the beginning and in the middle, and finally his Witr was just before dawn.”
مِنْ كُلِّ اللَّيْلِ قَدْ أَوْتَرَ رَسُولُ اللَّهِ ﷺ مِنْ أَوَّلِهِ وَأَوْسَطِهِ وَانْتَهَى وِتْرُهُ إِلَى السَّحَرِ