مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2295
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Ibn 'Abbas (رضي الله عنه) that: The Prophet (ﷺ) used to spend many nights, one after another, hungry, and his family could not find anything for supper. Most of their bread was barley bread.
Musnad Ahmad 2303Its isnad is saheeh]