It was quite late, but the children were still 'wide awake'. [=not tired at all]
One moment she was sleeping soundly—the next she was wide 'awake'.
How long will it take them to 'awake to' their mistake?
(..) Then she has her way with them. That's how she likes to feed. Fresh blood. Get him to the tower! Samwise, you fool. This scum will be awake in a couple of hours. Then he'll wish he'd never been born. The house of his spirit crumbles. He is burning. Already burning. (..)2003 The Lord of the Rings: The Return of the King