Meaning & use
insomnia
A persistent inability to fall asleep or stay asleep, even when tired.
See it in a sentence
Stress from work gave her insomnia that lasted for several weeks.
He tried warm milk and quiet music to fight his chronic insomnia.
A note on using this word
Refers to a medical condition or ongoing pattern, not a single restless night.
Words with a similar meaning
sleeplessness
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