52 entries under noun topic. ×
| preoccupation | |
| quickness | |
| solicitude | |
| stimulation | |
| tremor | |
| trepidation | |
| trouble | |
| turmoil | |
| urgency | |
| vigilance | |
| warmth | |
| watchfulness |
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| APA | Smart Define. (2015). sleep thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/sleep/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "sleep thesaurus" https://smartdefine.org/sleep/thesaurus/antonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, sleep thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/sleep/thesaurus/antonyms>. |
| MLA | Smart Define. "sleep thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/sleep/thesaurus/antonyms> |