insomniac vs open-eyed

insomniac

noun

  • One who suffers an inability or difficulty sleeping; a sufferer from insomnia. 

adj

  • Suffering from or pertaining to insomnia. 

open-eyed

adj

  • alert and vigilant 

How often have the words insomniac and open-eyed occurred in a corpus of books? (source: Google Ngram Viewer )