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."
Al-Kāfi #1086“Abu ‘Abd Allah (a.s.), has said, ’Neglecting dinner is senility, thus it is necessary for an aged man to go to sleep when his stomach is...