Synonyms|9Antonyms|0|Broader|0Narrower|0Related|0
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bedtime(noun, time)
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lights out(noun, expression, slumbertime)
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sack time(noun, expression, slumbertime)
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sleepy time(noun, expression, slumbertime)
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slumbertime
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time to hit the hay(noun, expression, idiom, slumbertime)
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time to hit the sack(noun, expression, idiom, slumbertime)
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time to retire(noun, expression, idiom, slumbertime)
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time to turn in(noun, expression, idiom, slumbertime)
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APASmart Define. (2011). sleep time thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/sleep_time/thesaurus/synonyms
ChicagoSmart Define. 2011. "sleep time thesaurus" https://smartdefine.org/sleep_time/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2011, sleep time thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/sleep_time/thesaurus/synonyms>.
MLASmart Define. "sleep time thesaurus" 19 May 2011. Web. 22 September 2026. <https://smartdefine.org/sleep_time/thesaurus/synonyms>