The Prophet ﷺ used to pray while I was sleeping across in his bed in front of him. Whenever he wanted to pray witr, he would wake me up and I would pray witr.  

كَانَ النَّبِيُّ ﷺ يُصَلِّي وَأَنَا رَاقِدَةٌ مُعْتَرِضَةٌ عَلَى فِرَاشِهِ فَإِذَا أَرَادَ أَنْ يُوتِرَ أَيْقَظَنِي فَأَوْتَرْتُ