wake·ful 
(wākfəl)
(wākfəl)adj.
1.
a. Not sleeping or not able to sleep.
b. Without sleep; sleepless.
2. Watchful; alert.
wakeful·ly adv.
wakeful·ness n.
- divertingly
- divertissement
- Dives
- divest
- divestiture
- divestment
- dividable
- divide
- uncertainly
- uncertainness
- uncertainty
- uncertainty principle
- uncertified
- unchain
- unchainable
- unchallengeable
- unchallengeably
- unchangeability
- unchangeable
- unchangeableness
- unchangeably
- unchanging
- unchangingly
- unchangingness
- uncharacteristic