Synonyms of the word 
UNSLEEPING → AWAKE - WIDE-AWAKE
unsleeping
- adj. Not sleeping.
- adj. constant.
awake
- adj. Not asleep; conscious.
- adj. (by extension) Alert, aware.
- v. (intransitive) To become conscious after having slept.
- v. (transitive) To cause (somebody) to stop sleeping.
- v. (transitive) to excite or to stir up something latent.
- v. (transitive, figuratively) To rouse from a state of inaction or dormancy.
- v. (intransitive, figuratively) To come out of a state of inaction or dormancy.
wide-awake
- adj. completely or fully awake.
- adj. alert, vigilant or watchful.
- n. Alternative spelling of wideawake.
- n. The sooty tern.
If you are interested in words, visit the following sites :
- wiktionary.org/unsleeping For complete definition of a word
- 1word.ws/unsleeping to play with words, suffixs, prefixs, etc.