IPA: /ɪnˈsɒm.ni.ə/
KK: /ɪnˈsɑːm.nɪ.ə/
A condition where a person has trouble falling asleep or staying asleep, leading to not getting enough rest.
Many people suffer from insomnia, making it hard for them to focus during the day.
Insomnia is formed from "in-" (meaning not) and "somnus" (meaning sleep). The word describes a condition of not being able to sleep.
Think of 'not' ('in-') being combined with 'sleep' ('somnus') to remember that insomnia means the inability to sleep.