Medical Definition of insomnia
: prolonged and usually abnormal inability to obtain adequate sleep—called also
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Dictionary: Definition of "insomnia" Thesaurus: All synonyms and antonyms for "insomnia" Spanish Central: Translation of "insomnia" Nglish: Translation of "insomnia" for Spanish speakers Britannica English: Translation of "insomnia" for Arabic speakers Britannica.com: Encyclopedia article about "insomnia"
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