Definition of insomnia in English:

insomnia

Line breaks: in|som¦nia
Pronunciation: /ɪnˈsɒmnɪə
 
/

noun

[mass noun]
Habitual sleeplessness; inability to sleep.
More example sentences
  • Fact sheets are on topics such as restless legs syndrome, insomnia, and sleep apnoea.
  • Now stress and anxiety are obvious factors in causing insomnia but insomnia is insidious.
  • So you need to get checked out by a good doctor who knows something about sleep and insomnia.
Synonyms

Origin

early 17th century: from Latin, from insomnis 'sleepless', from in- (expressing negation) + somnus 'sleep'.

Definition of insomnia in:

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