alert, vigilant, wary; see careful.
sleepless, waking, insomnious; see restless 1.
"wakeful." YourDictionary, n.d. Web. 09 November 2018. <https://thesaurus.yourdictionary.com/wakeful>.
wakeful. (n.d.). Retrieved November 09th, 2018, from https://thesaurus.yourdictionary.com/wakeful
Not in a state of sleep:
Marked by an absence of sleep:
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