sleep in 起得晚
sleep over/stay the night 睡在别人家
hit the hay/sack 睡觉
get some shut eyes 睡觉
sleep on it 花时间决定

睡得好
1 be out like a light
2 sleep like a dog/baby
3 be a deep sleeper
睡得不好
1 toss and turn
2 didn't sleep a wink
3 I have insomnia
4 I'm an insomniac

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