
Insomnia
Not Just Night
Insomnia can refer to trouble sleeping at any time, not only during the night.

Jet lag caused him to experience insomnia in the afternoons.
Repeated Difficulty
Insomnia is not just one poor night's sleep, but a regular pattern of sleep issues.

Despite being tired, her insomnia stopped her from sleeping well for weeks.
Medical Condition
Insomnia is recognized as a medical issue, not a choice or regular tiredness.

Her doctor diagnosed her persistent sleep problems as insomnia.
Compare with
RestlessVigilance
WordUp Chrome Extension
As you browse the web instantly look up words you don’t know.
Get Chrome Extension