cll19880211
保持睡眠充足的英语：To maintain adequate sleep
go out like a light 立即入睡；马上失去知觉；go out可以形容火、光、热“熄灭”，go out like a light是说“一沾枕头就能睡着”。就像很快熄灭的光。
sleep like a log 睡得很香；I went to bed early and slept like a log.；我早早上了床，睡得很香。sleep like a baby；Be a deep sleeper睡得不好；
toss and turn（尤指因无法入睡而）翻来覆去，辗转反侧；I was tossing and turning all night.；我整晚辗转反侧，无法入睡。not sleep a winknot get a wink of sleep 没合眼，一刻也没睡
I didn't sleep a wink last night with all that noise.昨晚噪声那么大，我根本就没睡着。light sleeper 易醒的人，睡觉轻的人；insomnia 失眠（症）
Holly suffered from insomnia caused by stress at work.霍莉因为工作压力失眠了好几个月。insomniac 失眠症患者
sleep in 睡懒觉；sleep over 在别人家过夜，留宿；stay overnight (also stay the night) 过夜，留宿；hit the hay/sack 上床睡觉；sleep on it 把问题留在第二天解决；考虑一晚上；to sleep in 睡懒觉
