467. Etiquette in yawn
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.
ReferenceMuslim: 2995
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Dua upon sneezing #2
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Dua upon sneezing #1
Expressing gratitude to the benefactor
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Prostration due to Quran recitation