its a bit tricky. make sure you sleep at least 60 neshimos or you are not yotze and will have to start again, but then, if you do you will have to wash negel vasser again and it might be a shayla of baal tosif since in the seder we only have urchatz and netilas yadayim before motzi. certainly there are hetterim, but for this reason some are makpid to drink only non mevushal red wine. also, on years when shabbos is 1st day of pesach and kidduch friday night is a doraisa some hold you shouldnt sleep for the kossos because it wont be recognozable if the sleeping is for the arba kossos or for shina bshabbos taanug. also, some hold that when 1st night is motsai shabbos, due to sakanna – kiddush, which includes havdala should be made davka with wine, but the other kossos one may be yotze via sleeping.
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