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?
(..) - Right. - Something wrong, man? You look a little whiter than usual. My computer, it ... . Ever have that feeling where you're not sure if you're awake or dreaming? All the time. It's called mescaline. It's the only way to fly. It just sounds like you need to unplug. (..)1999 The Matrix