English · Body & Health
insomnia
/ɪnˈsɒm.ni.ə/
[/ɪnˈsɒm.ni.ə/]
inability to sleep
Advancednoun
Definition
A condition in which a person finds it very hard to fall or stay asleep.
Example
His insomnia grew worse during the stressful weeks before the big exam.
His insomnia grew worse during the stressful weeks before the big exam.
Etymology
From Latin 'insomnia', from 'in-' (not) and 'somnus' (sleep).
How & Where It’s Used
Common in talk of stress, anxiety, and sleep health.