Wakefulness

wakefulness
    n 1: a periodic state during which you are conscious and aware
         of the world; "consciousness during wakefulness in a sane
         person is pretty well ordered and familiar"
    2: a temporary state in which you are unable (or unwilling) to
       sleep; "accept your wakefulness and sleep in its own contrary
       way is more likely to come" [syn: {wakefulness},
       {sleeplessness}] [ant: {drowsiness}, {sleepiness},
       {somnolence}]
    3: the process of paying close and continuous attention;
       "wakefulness, watchfulness, and bellicosity make a good
       hunter"; "vigilance is especially susceptible to fatigue"
       [syn: {watchfulness}, {wakefulness}, {vigilance},
       {alertness}]
    

Wakeful \Wake"ful\, a.
   Not sleeping; indisposed to sleep; watchful; vigilant.
   [1913 Webster]

         Dissembling sleep, but wakeful with the fright.
                                                  --Dryden.
   [1913 Webster] -- {Wake"ful*ly}, adv. -- {Wake"ful*ness}, n.
   [1913 Webster]