Sunan an-Nasa'i, hadith 168

أَخْبَرَنَا قُتَيْبَةُ، عَنْ مَالِكٍ، عَنْ أَبِي النَّضْرِ، عَنْ أَبِي سَلَمَةَ، عَنْ عَائِشَةَ، قَالَتْ كُنْتُ أَنَامُ بَيْنَ يَدَىْ رَسُولِ اللَّهِ صلى الله عليه وسلم وَرِجْلاَىَ فِي قِبْلَتِهِ فَإِذَا سَجَدَ غَمَزَنِي فَقَبَضْتُ رِجْلَىَّ فَإِذَا قَامَ بَسَطْتُهُمَا وَالْبُيُوتُ يَوْمَئِذٍ لَيْسَ فِيهَا مَصَابِيحُ ‏.‏

It was narrated that 'Aishah said:"I used to sleep in front of the Messenger of Allah (ﷺ) and my feet were in the direction of his Qiblah. When he prostrated he nudged me and I drew up my feet, then when he stood up I stretched them out again. And there were no lamps in the houses at the time