It is a Sunnah for a man who marries a virgin when he already has a wife (who is no longer a virgin) that he stay seven nights with the new wife and then divide his overnight stay between both. If he marries a previously-married woman when he already has a wife (either a virgin or not), the Sunnah is for him to stay with her (the new wife) three nights and then divide his overnight stay between both
Anas (may Allah be pleased with him) was reported to have said: "It is a Sunnah for a man who marries a virgin when he already has a wife (who is no longer a virgin) that he stay seven nights with the new wife and then divide his overnight stay between both. If he marri…