“失眠了”怎么说？

【我昨晚失眠了】

I couldn't sleep last night.

I couldn't fall asleep last night.

I passed a wakeful/sleepless night我彻夜未眠

I was wide awake all night.我一整晚都很清醒。

I was up all night.我一整晚都没睡。

I didn't close my eyes until early morning.我直到凌晨才合眼。

I didn't sleep a wink last night.我昨晚一整晚都没睡。

I tossed and turned in bed all night.我在床上辗转反侧睡不着。(toss and turn辗转反侧)

【失眠症】

I have trouble sleeping for the last two week.(指失眠有一定的时间了）

insomnia失眠症，指长期睡眠不好的人，是一种病症。suffer from insomnia失眠

I'm sleeping poorly. I've been suffering from insomia.我睡不好啊，近来饱受失眠之苦。

Depression is almost always accompanied by insomnia.抑郁症几乎总伴有失眠

【相关表达】

lack of sleep

inadequate sleep

sleep deprivation睡眠不足；sleep-deprived形容词表达

Millions of employees suffer from serious sleep deprivation caused by long woke hours.很多职员因长时间的工作而睡眠不足。

Quite a few students are sleep-deprived.很多学生都睡眠不足。

have a bad dream噩梦（不开心的梦）

have a nightmare噩梦（不开心，且伴随可怕、恐怖的梦境）

sleepwalking梦游

sleep pills安眠药