- Definitions|2
- Thesaurus|550
- Abbreviations|0
| alive to(expression, awake, insomniac) | |
| apperceptive(awake, insomniac) | |
| apprised(awake, insomniac) | |
| assured(awake, insomniac) | |
| au courant(expression, awake, insomniac) | |
| certain(awake, insomniac) | |
| cognizant(awake, insomniac) | |
| conscious(awake, insomniac) | |
| consciousness | |
| conversant(awake, insomniac) | |
| discerning(awake, insomniac) | |
| felt(awake, insomniac) | |
| heedful(alert, careful, restless, disturbed, attentive) | |
| hep to(expression, awake, insomniac) | |
| impatient | |
| in on(expression, awake, insomniac) | |
| in right mind(expression, idiom, awake, insomniac) | |
| informed(awake, insomniac) | |
| jumpy(adjective, restless, insomniac) | |
| knowing(awake, insomniac) |
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| APA | Smart Define. (2015). sleepless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sleepless/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "sleepless thesaurus" https://smartdefine.org/sleepless/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, sleepless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sleepless/thesaurus/synonyms>. |
| MLA | Smart Define. "sleepless thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/sleepless/thesaurus/synonyms> |