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Definition of insomnia noun from the Oxford Advanced Learner's Dictionary

insomnia

noun
 
/ɪnˈsɒmniə/
 
/ɪnˈsɑːmniə/
[uncountable]
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  1. the condition of being unable to sleep
    • to suffer from insomnia
    see also sleeplessness
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    Word Originearly 17th cent.: from Latin, from insomnis ‘sleepless’, from in- (expressing negation) + somnus ‘sleep’.
See insomnia in the Oxford Advanced American Dictionary
Check pronunciation: insomnia

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given
adjective
 
 
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