PROVISIONS OF THE HOLY FAMILY H 515 "On several successive nights, the Prophet, praise and peace be upon him, and his family went to bed feeling hungry not having any supper. Their bread was, for the most part, made from barley." R 515 Tirmidhi with a chain up to ibn Abbas who related this.
513- وعن ابن عباس رضي الله عنهما ، قَالَ : كَانَ رسول الله صلى الله عليه وآله وسلم يَبيتُ اللَّيَالِيَ الْمُتَتَابِعَةَ طَاوِياً ، وَأهْلُهُ لاَ يَجِدُونَ عَشَاءً ، وَكَانَ أكْثَرُ خُبْزِهِمْ خُبزَ الشَّعيرِ . رواه الترمذي ، وقال : "حديث حسن صحيح" .