DICT.TW Dictionary Taiwan

 Sleep·less, a.
 1. Having no sleep; wakeful.
 2. Having no rest; perpetually agitated. “Biscay's sleepless bay.”
 -- Sleep*less*ly, adv. -- Sleep*less*ness, n.
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 sleeplessness
      n : a temporary state in which you are unable (or unwilling) to
          sleep [syn: wakefulness] [ant: sleepiness]