(9) باب تَشْمِيتِ الْعَاطِسِ وَكَرَاهَةِ التَّثَاؤُبِ
The son of Abu Said al-Khudri reported on the authority of his father that Allah's Messenger (ﷺ) said:
When one of you yawns, he should keep his mouth shut with the help of his hand, for it is the devil that enters therein. (JA)
Reference (JA): Sahih Muslim 2995 a (JA)
In-book reference (JA): Book 55, Hadith 74 (JA)
USC-MSA web (English) reference(deprecated numbering scheme): Book 42, Hadith 7130 (JA)