insomnia
in-SOM-nee-uh/ɪnˈsɒmniə/
- 1A health problem that makes it hard to fall asleep or stay asleep.
Like a light switch that is stuck on: your body wants to rest, but your mind will not turn off.
After weeks of insomnia, he finally asked his doctor for help.
Her insomnia got worse when she drank coffee late in the day.
Similarsleeplessness, wakefulness
Note
- 2Trouble sleeping that lasts only a short time.
I had insomnia last night because I was nervous about the test.
Too much screen time before bed gives me insomnia.
Similarsleeplessness, wakefulness
Note
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Origin
From Latin, made from in- meaning "without" and somnus meaning "sleep."