Sniff up water into the nostrils thoroughly two or three times.

This hadith, narrated by Ibn 'Abbas, emphasizes the importance of sniffing up water into the nostrils. It is recommended to do this two or three times in order to reap its benefits. This practice can help clear out any dirt or debris that may be stuck in your nose and can also help with nasal congestion. Additionally, it can help keep your nose moist and healthy as well as provide relief from allergies and colds. Furthermore, it has been said that sniffing water helps improve concentration and focus while studying or working on a task. Therefore, this simple act has many benefits for our overall health and wellbeing!