1. I couldn't fall asleep last night.
我昨晚睡不着。

2. I passed a wakeful night.
我彻夜未眠。

3. I was up all night.
我一整晚都没睡。

4. I had a sleepless night worrying about my exams.
我因为担心考试一整晚没睡。

5. I've been suffering from insomnia.
我近来饱受失眠之苦。

6. I didn't close my eyes until early morning.
我一直到凌晨才阖眼（入睡）。

7. I tossed and turned in bed all night./ I tossed about in bed all night.
我一整晚辗转难眠。

8. Sleeping pills somehow didn't work for me last night.
安眠药昨晚不知怎么搞的好象对我没用。

9. I was counting sheep all night.
我一整晚都在数羊。

10. I guess I drank too much coffee, I was wide awake all night. 
我猜我可能是喝了太多咖啡，一整晚都很清醒。