By morning, I had a terrible headache and couldn't make a decision.

But that would not do, for he has terrible headaches.

Find out what could be to blame for those terrible headaches.

Even in the open it gave one a terrible headache.

After another hour or so I got a terrible headache and had to stop.

While at school, he has a terrible headache that is described as being like "a web of fire."

At the same time I would get a terrible headache.

If I succeeded, it would give me a terrible headache.

She had gone to sleep quickly, complaining of a terrible headache.

I feel like I'm going to have a terrible headache.