‘睡不着’用英语怎么表达？

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。