Amr bin Maymoon says that on one occasion, Sayyiduna Umar (may Allah be pleased with him) said that the polytheists would not return from Muzdalifah before sunrise, but the Prophet (peace and blessings be upon him) did not follow their way and departed from Muzdalifah towards Mina before sunrise.
Hadith Referenceمسند احمد / مسند الخلفاء الراشدين / 275