The Dislike of Sleeping After the Fajr Prayer
Man Lā Yaḥḍuruh al-Faqīh|Volume 1|Book 1|Chapter 78
وَ رُوِيَ: «قِيلُوا فَإِنَّ اَلشَّيْطَانَ لاَ يَقِيلُ.
It is narrated, "Take a midday nap (Qailulah), for indeed the Shaytan does not take a nap."
- Ṣaḥīḥ al-Faqīh