red eye
From Longman Dictionary of Contemporary Englishred eyeˈred eye noun → take the red eyeExamples from the Corpusred eye• I sit over its red eye in the cave and listen to the musics of the atmosphere.From Longman Business DictionaryRelated topics: Transportred-eyeˈred-eye noun [countable usually singular] informal American EnglishTRAVEL a night flight