46 entries under adjective topic. ×

14
restless(anxious, nervous, content, unsettled)
13
insomniac(noun, careful, restless, disturbed)
9
alert(keen, careful, restless, disturbed)
9
wakeful(keen, anxious, alert, careful)
9
watchful(keen, alert, careful, restless)
8
vigilant(alert, careful, restless, disturbed)
7
awake(careful, restless, disturbed, insomniac)
7
lidless
7
restive(anxious, nervous, unsettled, restless)
7
uneasy(anxious, nervous, unsettled, restless)
6
unsettled(anxious, nervous, restless, uneasy)
6
unsleeping(keen, anxious, careful, restless)
5
wide-awake(keen, anxious, alert, careful)
4
attentive(keen, alert, careful, restless)
4
wary(keen, alert, careful, restless)
3
active(anxious, unsettled, restless, uneasy)
3
disturbed
3
fidgety(nervous, restless, insomniac)
3
observant(keen, alert, careful, restless)
3
slumberless
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APASmart Define. (2015). sleepless thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/sleepless/thesaurus/synonyms
ChicagoSmart Define. 2015. "sleepless thesaurus" https://smartdefine.org/sleepless/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, sleepless thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/sleepless/thesaurus/synonyms>.
MLASmart Define. "sleepless thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/sleepless/thesaurus/synonyms>