insomnia

English dictionary entry

Meanings

noun
  1. A sleeping disorder that is known for its symptoms of unrest and the inability to sleep.
  2. Temporary inability to sleep.

Pronunciation

/ɪnˈsɒmniə/ en-us-insomnia.ogg

Word forms

insomnia insomnias

Etymology

Borrowed from Latin īnsomnia, from Latin in- (“without”) + somnus (“sleep”, noun) + -ia, equivalent to in- + somn- + -ia.

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