Then an alarm went off in the back of his head.

The alarm went off and she was all over me again.

At 4am, my alarm went off again and we hit the road.

A small alarm went off way in the back of her mind.

Before I could open my mouth, an alarm went off.

"So what happened from the moment the alarm went off?"

"Tell me everything from when the alarm went off this morning."

Almost immediately, an alarm went off among members of the group.

Once the alarm went off, it would only be a matter of minutes before he was caught.

However, he must have heard them on some other level, because an alarm went off in his brain.