- Definitions|1
- Thesaurus|214
- Abbreviations|0
7 entries under activity topic. ×
| wakefulness(noun, restlessness, insomnia) | |
| insomnia(noun, restlessness, inability) | |
| restlessness(noun, insomnia) | |
| vigilance(noun, insomnia) | |
| racketing | |
| insomnium | |
| pervigilium |
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| APA | Smart Define. (2015). sleeplessness thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/sleeplessness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "sleeplessness thesaurus" https://smartdefine.org/sleeplessness/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, sleeplessness thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sleeplessness/thesaurus/synonyms>. |
| MLA | Smart Define. "sleeplessness thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/sleeplessness/thesaurus/synonyms> |