寝食俱废

Explanation: Sleep or sleep, food was no time to eat. Analogy is extremely anxious, or learning, work extremely nervous. 　　Source: Song Mai, "Yi Jian Shen hell" summer in June, so if the red eyes, swelling and pain very special, eat or sleep all waste. " 　　Examples: What I ~, enjoyable, is the traditional, annual book will be. ★ Cao Jinghua, "snowing fog mist visit painting"