昨晚没睡好觉可以用英文表示为 "I didn't sleep well last night" 或 "I had a bad night's sleep last night."

这个短语的来源可以追溯到古英语时期，其中 "sleep" 这个单词有 "睡觉" 的意思，"well" 这个单词有 "好" 的意思，"last night" 这个短语表示 "昨晚"。

下面是一些例句：

I didn't sleep well last night because I had a lot on my mind. (我昨晚没睡好觉是因为我心里有很多事情。)
I had a terrible night's sleep last night because my neighbor's dog was barking all night. (昨晚我没睡好觉是因为我邻居的狗整晚都在叫。)
I didn't get much sleep last night because my baby was up crying. (我昨晚没睡好觉是因为我的宝宝哭了一整晚。)