Purity
What invalidates wuḍūʾ?
Answer
Relieving oneself, passing wind and deep sleep are agreed upon. The Prophet ﷺ told a man in doubt not to leave the prayer "until he hears a sound or smells an odour" — certainty, not doubt, ends purity.
Source: Sahih al-Bukhari 137 · Sahih Muslim 361
Purity
These are general explanations, not a fatwa. For your personal situation ask a qualified scholar you trust.
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