insomnia
noun/ɪnˈsɒmniə/
Etymology Borrowed from Latin īnsomnia, from Latin in- (“without”) + somnus (“sleep”, noun) + -ia, equivalent to in- + somn- + -ia.
1
Medicine, Sciences A sleeping disorder that is known for its symptoms of unrest and the inability to sleep.
- My mother suffers from insomnia.
- It’s also possible for insomnia to be caused by restless leg syndrome.2024 March 11, Madeline Holcombe, “What to do on the nights you are struggling with insomnia, according to experts”, in CNN:
2
Informal Temporary inability to sleep.
- Synonyms
- sleeplessness
- Antonyms
- hypersomnia
- Derived terms
- coronasomnia, insomniac, orthosomnia, painsomnia, trensomnia
- Hyponyms
- big eye, fatal familial insomnia