insomnia

n. /ɪnˈsɑːm.ni.ə/ B2

失眠症；长期失眠

The condition of being continuously unable to sleep.

仙境例句

No wonder the Duchess has insomnia, thought Alice, with that baby crying all night.

爱丽丝想，难怪公爵夫人会失眠，那婴儿整夜都在哭。