Read Edit View history 夜不成眠 yèbùchéngmián sleepless Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 夜不成眠 · yèbùchéngmián · sleepless 2026/03/04 夜不成眠 yèbùchéngmián sleepless to be unable to sleep at night 因思念故乡，他常常夜不成眠。 created sense Mar 4, 2026, 02:25 AM