Hadith.1447 - It is narrated:
"Take a midday nap (Qailulah), for indeed Allah (swt) nourishes and provides drink to the fasting person during their sleep."
Man Lā Yaḥḍuruh al-Faqīh #211Hadith.1782 - Abu al-Hasan al-Awwal (as) said:
"Take a nap, for Allah (swt), the Almighty, feeds and gives drink to the fasting person while...
Al-Kāfi #266“Abu al-Hassan (a.s.), has said, ‘Rest in the form of a short nap between sunrise and noontime; Allah gives food and water to a fasting...