Musnad Ahmad 1153:144

Abu Mu'awiyah narrated to us, he said: Al-A'mash narrated to us, from Ibrahim, from Al-Aswad, from 'Aishah, that it reached her that some people say: "Prayer is interrupted by the dog, the donkey, and the woman." She said: "Do you not see that they have equated us with dogs and donkeys? I have often seen the Messenger of Allah, peace and blessings of Allah be upon him, praying at night while I was on the bed between him and the Qiblah. If I had a need, I would slip away from the foot of the bed, disliking to face him with my face."