夙夜 Traditional form: 夙夜 Pinyin (reading): sùyè Definitions: morning and night always at all times Characters: 夙 - dawn, early in the morning; previous; long-held 夜 - night, dark; under cover of night Traditional characters: 夙 - dawn, early in the morning; previous; long-held 夜 - night, dark; under cover of night