每日雅思词汇：sleep

　　睡眠sleep/slumber;

　　嗜睡的lethargic;

　　昏昏欲睡的somnolent/drowsy;

　　打瞌睡doze off;

　　打哈欠yawn;

　　伸懒腰打哈欠stretch oneself with a yawn;

　　失眠insomnia;

　　睡过了oversleep;

　　熟睡sleep soundly/fast asleep/sleep like a log;

　　小睡take a nap/catch some Z

　　梦游sleepwalk