Loss of consciousness invalidates wudu whether inside or outside prayer. Loud laughter is a separate rule limited to a particular prayer setting. Their legal causes and limits are distinct, even if both can invalidate wudu.
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Comparing Laughter with Loss of Awareness
Invalidators of Wudu: Actual and Constructive Causes
Loss of consciousness invalidates wudu whether inside or outside prayer. Loud laughter is a separate rule limited to a particular prayer setting. Their legal causes and limits are distinct, even if both can invalidate wudu.