也说废寝忘 餐。顾不得睡觉，忘记了吃饭。形容非常勤奋专心。南朝齐王融《三月三日曲水诗序》：“犹且具明废 寝，昃晷忘餐。”
废寝忘食 [fèi qǐn wàng shí]1. lose sleep and forget to eat from anxiety, etc.; disregard meal times and go without sleep; do sth. almost to the gross neglect of one's health, losing sleep and weight; forget all about eating and sleeping; forget food and rest; forget one's sleep and meals; neglect one's sleep and meals; (He) skipped meals and sleep (when he was busy).; too busy to eat or sleep; work day and night, almostwithout eating or sleeping; work hard to the neglect of one's meals and sleep
forget food and sleep | Sleepless nights | burn the candle at both ends | forget food sleep
While involved in work that suits us, we are immersed in the activity and lose all track of time.
These should be times of tireless effort and sleepless nights for all of us with a leadership role in health.
And this should be a time of tireless action and sleepless nights for all of us with a leadership role in health.