Abu Hurairah reported,

The Messenger of Allah ﷺ forbade a man from lying on his back with one leg crossed over the other.

Azami 14734

Sahih

عن أبي هريرة

عن رسول الله ﷺ أنه نهى أن يستلقي الرجل، ويثني إحدى رجليه على الأخرى.

الأعظمي 14734صحيح
Contents
Reference
Commentary
Ayat
Collection
Jami al-Kamil
Book
Superior moral conduct
Chapter
Etiquette of night and day
Section
Prohibition of lying on one's back when exposure of the awrah is feared
Numbering
Jami al-Kamil 14734 (2nd edition)
Azami 14734