You searched for: “insomnia
insomnia (s) (noun), insomnias (pl)
1. The inability to sleep; sleeplessness: Insomnia may vary in degrees from restlessness, or disturbed slumber, or an absence of the normal time of not being awake.
2. Being unable to slumber, even in the absence of external causes; such as, noise, a bright light, etc., during the period when dozing off should normally occur: Sometimes when Josie is very tired and in bed at night, she is in a state of insomnia and she turns this way and that way and is not resting.
3. Etymology: from Latin in, "no, not" + somnis, "sleep".
Inability to go to sleep.
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Unable to sleep.
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This entry is located in the following unit: somni-, somno-, somn-, -somnia, -somniac (page 1)
Word Entries at Get Words: “insomnia
The inability to sleep even in the absence of external causes during the period when sleep should normally take place. (2)