214 entries under noun topic. ×
| unconsciousness(dream, spell, lethargy, nothingness) | |
| annihilation(end, release, ruin, finish) | |
| beddy-bye | |
| blackout(calm, quiet, speech, still) | |
| catalepsy(dream, spell, nothingness, daze) | |
| composure(stop, calm, break, quiet) | |
| departure(end, release, ruin, finish) | |
| disregard(dullness, apathy, inactivity, indifference) | |
| dying(end, release, ruin, finish) | |
| ending(end, release, ruin, finish) | |
| extinction(end, release, ruin, finish) | |
| fall(verb, order, censure, collapse) | |
| hebetude(disregard, dullness, apathy, inactivity) | |
| languor(disregard, dullness, apathy, inactivity) | |
| lassitude(disregard, dullness, apathy, inactivity) | |
| lie-down(snooze, doze, catnap) | |
| obliviousness(nothingness, oblivion, coma, insentience) | |
| obtuseness(nothingness, oblivion, coma, insentience) | |
| parting(end, release, ruin, finish) | |
| passing over(expression, end, release, ruin) |
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| APA | Smart Define. (2015). sleep thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/sleep/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "sleep thesaurus" https://smartdefine.org/sleep/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, sleep thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/sleep/thesaurus/synonyms>. |
| MLA | Smart Define. "sleep thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/sleep/thesaurus/synonyms> |