Narrated Muhammad bin Sirin: One of the sons of Um 'Atiyya died, and when it was the third day she asked for a yellow perfume and put it over her body, and said, "We were forbidden to mourn for more than three days except for our husbands."
— Sahih Bukhari, Volume 2, Book 23: Funerals (Al-Janaa'iz), Hadith #369