Sahih al-Bukhari 6276
صحيح البخاري#6276SahihNarrated `Aisha:Allah's Messenger (ﷺ) used to offer his prayer (while standing) in the midst of the bed, and I used to lie in front of him between him and the Qibla It I had any necessity for getting up and I used to dislike to get up and face him (while he was in prayer), but I would gradually slip away from the bed
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 79:50