我昨晚太兴奋了——一点都没睡着。

I was so excited last night - I didn't ___sleep a ___wink.

那个焦虑的学生在期末考试前一晚一夜没合眼。

The anxious student hadn't ___slept a ___wink before the final exam.

我太担心那个演示了，以至于昨晚一点没睡。

I was so worried about the presentation that I didn't ___sleep a ___wink last night.