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wide awake
wide awake
1. completely awake and thinking clearly My mother came into my bedroom at 7 a.m. and found me wide awake.
2. completely aware You need to be wide awake to the danger of leaving your belongings unattended.
wide awake
Fully awake; also, very alert. For example, He lay there, wide awake, unable to sleep, or She was wide awake to all the possibilities. The wide in this idiom alludes to the eyes being wide open. [Early 1800s]