wide-awake

Definitions of wide-awake
  1. adjective
    fully awake
    “so excited she was wide-awake all night”
    synonyms: unsleeping
    awake
    not in a state of sleep; completely conscious
  2. adjective
    fully alert and watchful
    synonyms: heads-up
    alert, watchful
    engaged in or accustomed to close observation
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