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insomnia

Pronunciation: /ɪnˈsɒmniə/

The English word “insomnia” has 2 meanings listed here.

noun

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

Etymology

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

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.