
1) Alert 2) Argus-eyed 3) Easily disturbed 4) Insomniac 5) Insomnious 6) Like a good night watchman 7) Not somnolent 8) Open-eyed 9) Vigilant 10) Watchful
Found on
https://www.crosswordclues.com/clue/wakeful

1) Alert 2) Up 3) Vigilant 4) Watchful
Found on
https://www.crosswordclues.com/clue/wakeful
[horse] Wakeful was one of the great Thoroughbred mares of the Australian turf. She had shown her versatility by defeating top racehorses at distances from 5½ furlongs to 3 miles. She was unplaced in only three races. This bay filly was foaled in 1896, and was by the outstanding racehorse and sire, Trenton from Insomnia by Robinson Crusoe....
Found on
http://en.wikipedia.org/wiki/Wakeful_(horse)

• (a.) Not sleeping; indisposed to sleep; watchful; vigilant.
Found on
http://thinkexist.com/dictionary/meaning/wakeful/
Wake'ful adjective Not sleeping; indisposed to sleep; watchful; vigilant. « Dissembling sleep, but
wakeful with the fright.»
Dryden. --
Wake'ful*ly ,
adverb --
Wake'ful*ness ,
noun Found on
http://www.encyclo.co.uk/webster/W/3

HMS Wakeful was a British Wager Class destroyer of 1710 tons displacement launched in 1943 as HMS Zebra. HMS Wakeful was powered by two Admiralty 3-drum type boilers providing a top speed of 34 knots. She carried a complement of 186 and was armed with four 4.7 inch guns; four 40 mm anti-aircraft guns; four 20 mm anti-aircraft guns and four depth ch...
Found on
http://www.probertencyclopaedia.com/browse/RW.HTM
No exact match found.