wakeful

Adjective Satellite

• carefully observant or attentive; on the lookout for possible danger
• (of sleep) easily disturbed
  • "a restless wakeful night"
• marked by full consciousness or alertness

Adj

• Awake; not sleeping.
• Sleepless.
• Vigilant and alert; watchful.

Adjective

• Not sleeping or unable to sleep; alert and vigilant.

Examples

• His wakeful mind was constantly calculating possible Scrabble plays, even in his dreams.

Synonyms

argus-eyed, light, open-eyed, vigilant, waking

Anagrams of wakeful