1. 表达想睡
想睡、昏昏欲睡，可以用这些字：sleepy、drowsy、dozy
累到眼睛睁不开，可以这样说：can’t keep one’s eyes open
很快入睡：flake out、be out like a light
例句：As soon as the lights were turned off,Tom was out like a light.
(灯一灭，汤姆就呼呼地睡着了。)
上班上课总是让你昏昏欲睡吗？不是你的错：
2. 各种睡法
上床睡觉：go to bed、hit the hay、hit the sack
例句：I’m going to hit the sack – I’m exhausted.
(我要去睡了，我累坏了。)
开车时睡着：fall asleep at the wheel
例句：If I fall asleep at the wheel wake me up.
(如果我开车时睡着了，就叫醒我。)
小睡一下：take a nap、have a snooze、have forty winks
例句：I would feel much better when I’ve had forty winks.
(我打个盹就会感到好很多。)
打瞌睡：doze off、nod off
补眠：catch up on one’s night
3. 各种睡眠状态
睡得很好：sleep well、sleep soundly、sleep like a log(log=木头，熟睡到像根木头一样)、sleep like a baby、be dead to the world(睡死了！)
例句：It’s 10 o’clock now, but he’s still dead to the world.
(现在已经10点了，可他仍在呼呼大睡。)
睡得不好：sleep badly、sleep poorly
例句：You look as if you slept badly.
(看你样子好像没睡好觉。)
熟睡：be sound asleep
例句：The baby was sound asleep in the bedroom.
(婴儿在卧室里酣睡着)。
辗转反侧：toss and turn
例句：My husband was tossing and turning all night.
(我丈夫整夜翻来覆去睡不着。)
完全没睡：not sleep a wink、have a sleepless night
例句：He had a sleepless night last night.
(他昨夜失眠。)
熬夜：stay up、burn the midnight oil
例句：Now he could burn the midnight oil unmolested.
(现在他可以不受干扰地开夜车了。)
4. 各种睡姿
侧睡：sleep on one’s side
仰睡：sleep on one’s back
趴睡：sleep on one’s stomach
5. 其他相关用语
熟睡不容易叫醒的人：heavy sleeper
浅眠者：light sleeper
失眠患者：insomniac (失眠：insomnia)
习惯晚起：late riser
夜猫子：night owl
贪睡鬼：sleepyhead
宿醉：hangover
睡过头：oversleep
美容觉：beauty sleep
露宿街头：sleep rough
