مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2997
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from ibn ‘Abbas (رضي الله عنه) that The Messenger of Allah (ﷺ) halted in Muzdalifah, and when everything grew light before the sun rose, he moved on.
Musnad Ahmad 3020A saheeh hadeeth; this is a da'eef isnad]