Definitions for "Wakeful"
Not sleeping; indisposed to sleep; watchful; vigilant.
carefully observant or attentive; on the lookout for possible danger; "a policy of open-eyed awareness"; "the vigilant eye of the town watch"; "there was a watchful dignity in the room"; "a watchful parent with a toddler in tow"
(of sleep) easily disturbed; "in a light doze"; "a light sleeper"; "a restless wakeful night"
Wakeful was one of the great thoroughbred mares of the Australian turf. The bay filly by Trenton from Insomnia was foaled in 1896, but did not commence racing until she was a four year old. She had 44 starts, wininng 25 races, was second 12 times and third 4 times.