Narrated Abu Hurairah: Respond three times to your brother when he sneezes, and if he sneezes more often, he has a cold in his head.
Explanation & Benefits
Shaykh Umar Farooq Saeedi
Benefits and Issues:
Although this narration is mawquf (attributed to a Companion),
it is also established as marfu‘ (attributed to the Prophet sallallahu alayhi wa sallam), as is found in the following narration.
Source: Sunan Abu Dawood – Commentary by Shaykh Umar Farooq Saeedi, Page: 5034