sleepless

Adjective

• always watchful
  • to an eye like mine, a lidless watcher of the public weal- Alfred Tennyson
    

• experiencing or accompanied by sleeplessness
  • insomniac old people
    
  • insomniac nights
    
  • lay sleepless all night
    
  • twenty watchful, weary, tedious nights- Shakespeare
    

Related words

• Synonyms: 
  lidless , insomniac , watchful