Wide awake

"They are almost awake, not quite," said Lucy. She knew she herself was wide awake, wider than anyone usually is.

Source: wiktionary

Why is marking a book indispensable to reading it? First, it keeps you awake—not merely conscious, but wide awake.

Source: wiktionary

I woke with a start. With the blackout curtains closed I didn't know what time it was. I looked at my watch. It said four o'clock. I had been asleep for only two hours, but I was wide awake.

Source: wiktionary

I am the teeth that grinds at your bones / As you lie there a failure with your will so weak / I am the ache you feel in your tomb / As you lay in your body still wide awake

Source: wiktionary