insomnia
in·som·nia
noun \in-ˈsäm-nē-ə\Definition of INSOMNIA
: prolonged and usually abnormal inability to get enough sleep
— in·som·ni·ac \-nē-ˌak\ adjective or noun
See Examples of INSOMNIA
- <has suffered from insomnia virtually his entire life>
Origin of INSOMNIA
Latin, from insomnis sleepless, from in- + somnus sleep — more at somnolent
First Known Use: circa 1623
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