Isra'il bin Yonus bin Abi Ishaq إسرائيل بن يونس بن أبي إسحاق · The Chapters on Marriage

“The Messenger of Allah commanded us to prepare Fatimah (for her wedding) and take her in to 'Ali. We went to the house and sprinkled it with soft earth from the land of Batha'. Then we stuffed two pillows with (date - palm) fiber which we picked with our own hands. Then we offered dates and raisins to eat, and sweet water to drink. We went and got some wood and set it up at the side of the room,…

that the Messenger of Allah said: “Three days for a previously-married woman and seven days for a virgin.”