Sunan Abi Dawud 4146
سنن أبي داود#4146SahihNarrated 'Aishah:The pillow of the Messenger of Allah (ﷺ) on which he slept at night (according to the version on Ibn Mani') was of leather stuffed with palm fibre (according to the agreed version)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Zubair Ali ZaiSahih Muslim (2082)
In-book reference: 34:127