alert, vigilant, wary; see careful.
sleepless, waking, insomnious; see restless 1.
"wakeful." YourDictionary, n.d. Web. 19 September 2018. <http://thesaurus.yourdictionary.com/wakeful>.
wakeful. (n.d.). Retrieved September 19th, 2018, from http://thesaurus.yourdictionary.com/wakeful
Not in a state of sleep:
Marked by an absence of sleep:
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