It is narrated from Sayyiduna Abu Umamah (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "There are three people whose prayer does not rise above their ears until they return: the runaway slave; the woman who spends the night while her husband is angry with her; and the imam of a people while they dislike him."
Hadith Referenceالمعجم الكبير للطبراني / باب الصاد / 8067