Sunan Abu Dawud
5029
Hasan Sahih+2

Narrated AbuHurayrah: When the Messenger of Allah (ﷺ) sneezed, he placed his hand or a garment on his mouth, and lessened the noise. The transmitter Yahya is doubtful about the exact words khafada or ghadda (lessened)

Hasan SahihAl-Albani
Hasan SahihMuhammad Muhyi Al-Din Abdul Hamid