They used to hope that a single night of fever would serve as expiation for what had been accumulated of sins.
حدثنا إسحق بن منصور قال أخبرنا عبد الرحمن بن مهدي عن سفيان الثوري عن هشام بن حسان
كانوا يرتجون الحمى ليلة كفارة لما نقص من الذنوب
No references are available.
[Its chain of transmission is daif] * Sufyan Thawri and Hisham bin Hassan reported it with "an" (using ambiguous transmission wording without explicitly stating direct hearing).