Synonyms for Insomniac:

• adj.

  •all (adjective)
  • sleepless,
  • watchful,
  • insomniac.
  •Other relevant words: (adjective)
  • wakeful.
  •wakeful (adjective)
  • wide-awake,
  • on the lookout,
  • on the qui vive,
  • heedful,
  • astir,
  • wideawake,
  • alive,
  • on lookout,
  • on alert,
  • on the alert,
  • on guard.

• n.

  •
  • insomnia,
  • patient,
  • bad night,
  • waking,
  • toss and turn,
  • light sleeper,
  • up,
  • conscious,
  • broken sleeper.
  •insomniac (noun)
  • sleepless person,
  • awake.
  •Other relevant words: (noun)
  • sick person,
  • sufferer,
  • diseased person.

• Other synonyms:

  •Other relevant words (noun):
  • victim,
  • cautious,
  • consciousness,
  • prey,
  • restive,
  • Insomnolence,
  • observant,
  • restlessness,
  • martyr,
  • wary,
  • alertness,
  • alert,
  • careful,
  • aware,
  • disturbed,
  • mindful,
  • stress,
  • vigil,
  • light,
  • vigilance,
  • prudent,
  • vigilant,
  • suspicious,
  • indisposition,
  • attentive,
  • circumspect,
  • tension,
  • unsleeping,
  • tossing and turning,
  • lidless,
  • restless,
  • jealous,
  • Slumberless,
  • all-night vigil,
  • sleeplessness,
  • wakefulness,
  • inability to sleep,
  • sentience,
  • Insomnious,
  • restiveness,
  • wake.

Antonyms for Insomniac:

• adj.

  • wakeful
    unaware, sleepy.
  • Other antonyms:
    napping, slumbering, nodding, dreaming, asleep, mesmerized, slumberous, dormant, dozing, sleeping, drowsy, hypnotized, unawakened, dozy, somnolent.

Hyponym for Insomniac:

• n.

  • person
    sick person, sufferer, diseased person.