in·som·ni·a
noun/ɪnˈsɒmniə/
/ɪnˈsɑːmniə/
[uncountable]- the condition of being unable to sleep
失眠（症） - to suffer from insomnia
失眠
Wordfinder- doze
- dream
- drowsy
- insomnia
- oversleep
- REM
- sedative
- sleep
- soporific
- tired
Word Originearly 17th cent.: from Latin, from insomnis ‘sleepless’, from in- (expressing negation) + somnus ‘sleep’. - to suffer from insomnia