insomnia C1 Topic:Health & Medicine US /ɪnˈsɑːm.ni.ə/ UK /ɪnˈsɒm.ni.ə/ See IPA manual Freq #15348 Meanings 1 noun persistent difficulty falling asleep, staying asleep, or obtaining restorative sleep Weeks of insomnia left her exhausted during the day. Thesaurus Synonyms 1 noun · persistent difficulty... sleeplessnesswakefulness ↔ Opposites sound sleep Word family Derived forms insomniac Related forms sleep disordersomnolence Etymology Borrowed from Latin insomnia, 'sleeplessness,' formed from in-, 'not or without,' and somnus, 'sleep,' plus the noun suffix -ia. Topics Health & Medicine External links Cambridge Dictionary Wiktionary Google Images # insomnia **Type:** Word **Level:** C1 **Part of speech:** noun **IPA (US):** /ɪnˈsɑːm.ni.ə/ **IPA (UK):** /ɪnˈsɒm.ni.ə/ **Frequency rank:** 15348 ## Meanings 1. persistent difficulty falling asleep, staying asleep, or obtaining restorative sleep ## Examples - Weeks of insomnia left her exhausted during the day. ## Synonyms - sleeplessness - wakefulness ## Antonyms - sound sleep ## Derived Forms - insomniac ## Related Forms - sleep disorder - somnolence ## Etymology Borrowed from Latin insomnia, 'sleeplessness,' formed from in-, 'not or without,' and somnus, 'sleep,' plus the noun suffix -ia. ## Topics - Health & Medicine markdown