Sleeping in the same room with your mother is permissible but not on the same bed! Sleeping in the same bed with your father or brother is permissible providing that there is no other option and you are covering yourself with different blankets.

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You must pay your zakat after completion of the lunar year. Whatever possession you have at the end of the lunar year, you pay your zakat on it if it reaches the nisab regardless of when you got your salary.

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