THE NINE NAWAQID OF WUDU’ Nawaqid (singular : naqid) are those acts or things which nullify the wudu’ and require that the wudu’ be repeated.
There are nine Nawaqid of wudu’. These are:

1) Passing urine and stools or breaking wind.

2) The flowing of blood or pus from any part of the body.

3) Vomiting a mouth-full.

4) Sleeping whilst lying down, or while leaning against something such as a wall or a pillar. 5) Fainting.

6) Becoming insane.

7) Becoming intoxicated.

8) Laughing aloud while performing salah.

9) Spitting of blood equal to or more than the saliva.