Man Lā Yaḥḍuruh al-Faqīh
Hadith 10584271 - وَ قَالَ اَلصَّادِقُ عَلَيْهِ اَلسَّلاَمُ : "يَنْبَغِي لِلشَّيْخِ اَلْكَبِيرِ أَلاَّ يَنَامَ إِلاَّ وَ جَوْفُهُ مُمْتَلِئٌ مِنَ اَلطَّعَامِ فَإِنَّهُ أَهْدَأُ لِنَوْمِهِ وَ أَطْيَبُ لِنَكْهَتِهِ".
Hadith.4271 - Imam Jafar ibn Muhammad Al-Sadiq (as) said:
"It is appropriate for an elderly person not to sleep unless his stomach is full of food, for it makes his sleep more restful and his breath more pleasant."