(10) باب الرُّخْصَةِ فِي الصَّلاَةِ خَلْفَ النَّائِمِ
It was narrated that Aisha said:
"The Messenger of Allah(ﷺ)used to pray at night while I was lying down sleeping between him and the Qibla on his bed. When he wanted to pray witr he would wake me up and I would pray witr"
Reference: Sunan an-Nasa'i 759
In-book reference: Book 9, Hadith 18
English translation: Vol. 1, Book 9, Hadith 760