Sunan Abi Dawud 5028
سنن أبي داود#5028SahihAbu Hurairah reported the Messenger of Allah (May peace be upon him) as saying:Allah likes sneezing but dislikes yawning. So when one of you yawns, he should restrain it as much as possible, and should not say Ha, Ha, for that is from the devil who laughs at him
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 Bukhari (6226)
In-book reference: 43:256