The Sufficient (Vol 6) · Hadith 2221 (#Ḥadīth #34)
Chapter 43 | Taking Shower or Bath
بعض أصحابنا، عن ابن جمهور، عن محمد بن القاسم، عن ابن أبي يعفور، عن أبي عبدالله عليه السلام قال: (قال:) لا تضطجع في الحمام فإنه يذيب شحم الكليتين.
34. Certain persons of our people have narrated from ibn Jumhur from Muhammad ibn al-Qasim from ibn abu Ya‘fur who has said the following: “Abu ‘Abd Allah , has said, ‘Do not lie down in a bathhouse; it melts the fat of the kidneys.’”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).