insomnia

Meaning

  1. (countable, uncountable) A sleeping disorder that is known for its symptoms of unrest and the inability to sleep.
  2. (countable, informal, uncountable) Temporary inability to sleep.

Frequency

C2
Pronounced as (IPA)
/ɪnˈsɒmniə/
Etymology

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

Notes

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