Synonyms for Fall asleep:

• n.

  •dope off (noun)
  • dope off.
  •doze off (noun)
  • doze off.
  •drift off (noun)
  • drift off.
  •drop-off (noun)
  • drop-off.
  •drop off (noun)
  • drop.
  •drowse off (noun)
  • drowse off.
  •fall asleep (noun)
  • flake out.
  •flake out (noun)
  • flake.
  •go to sleep (noun)
  • doze.

• v.

  •sleep (verb)
  • zonk out,
  • yawn,
  • catnap,
  • crash,
  • hit the hay,
  • snooze,
  • nap,
  • dream,
  • ZZZ,
  • retire,
  • rest,
  • bunk,
  • relax,
  • repose,
  • fall out,
  • snore,
  • turn in,
  • flop,
  • languish,
  • nod,
  • slumber.

• Other synonyms:

  •
  • die.
  •drop-off
  • drop off.

Antonyms for Fall asleep:

• v.

  • sleep
    grow, wake, waken, energize, be active.
  • Other antonyms:
    awake, awaken, come alive, arouse.