It depends on – If you fell asleep laying down, it breaks it. If you held a small nap, while sitting tight and being still cautious of your surroundings and you did not pass wind, it does not break it.

does falling asleep for a couple of minutes, like 5 or 10 minutes, break wudu?

Ablution (Wudhu) | May 22, 2017 1:42 am
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I know head and ears are wiped with same water. But, Is it permissible to wipe head with one water and then taking water again for cleaning ears?
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Do we need to take wudhu again if we touched our nose’s & ear’s impurities