他因担心考试而度过了一个不眠之夜。

He'd spent ___a ___sleepless ___night worrying about his exam.

炎热让我们许多人度过了一个不眠之夜。

The intense heat caused ___a ___sleepless ___night for many of us.

紧张会议后，她因思考后果而度过了一个不眠之夜。

After the stressful meeting, she had ___a ___sleepless ___night thinking about the consequences.