Level 5 · word 9,236 of 20,000

insomnia

/ˌɪnˈsɑːmniə/ American
  • n. 失眠症
Definition
  • n. the condition of being unable to sleep
Example
Her insomnia kept her awake staring at the ceiling all night.
她的失眠症让她整夜盯着天花板睡不着。