Sunan an Nasai
3047
Sahih+2

It was narrated that Amr bin Maimun aid:"I head him say 'I saw 'Umar in Al-Muzdalifah and he said: The people of the Jahiliyyah would not depart until the sun had risen, and they would say: Shine, O Thabir! The Messenger of Allah differed from them and departed before the sun had risen

SahihAbu Ghuddah
SahihAl-Albani