Sayyiduna Abu Hurayrah (may Allah be pleased with him) narrates: I heard the Prophet (peace and blessings be upon him) say: "The guest's right over his host is for three days; whatever is beyond that is charity. However, it is incumbent upon the guest to depart, and not to cause the people of the household to fall into sin." (Allamah al-Haythami says:) I say:
Imam Abu Dawud recorded it in abridged form.
Imam Abu Ya'la and Imam al-Bazzar also recorded it. Its chain contains a narrator, Layth bin Abi Sulaym, and he is a mudallis; the rest of its narrators are thiqat (trustworthy).