柯林斯詞典insomnia /?n?s?mn??/ 1. N-UNCOUNT Someone who suffers from insomnia finds it difficult to sleep. 失眠 返回 insomnia劍橋詞典the condition of being unable to sleep , over a period of time 失眠（癥） Holly suffered from insomnia caused by stress at work . 霍莉因爲(wèi)工作壓力失眠了好幾個(gè)月。 返回 insomnia