简单释义：

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n. 失眠（症）

网络 失眠症；白夜追凶；不眠症

完整释义：

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n.

1.不寐
2.不眠症
3.不得眠
4.目不瞑
5.【医学】失眠;失眠症

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例句：

1. The horror movie overwhelmed him so much that he began to suffer from a sleeping disorder, even insomnia.
   恐怖电影把他吓坏了，以至于令他睡眠紊乱，甚至失眠

2. Insomnia affects about 10% of the U. S. population and costs $41 billion a year in reduced workplace productivity.
   美国大约十分之一的人患有失眠，每年造成的工作效率下降损失达到410亿美元。

3. American physiologist once had made many investigation discovery, sexual life is the main reason of insomnia of a few people faultily .
   美国生理学家曾经做过大量调查发现，性生活不完美是一些人失眠的重要原因。

4. Any or all of these factors might be leading to your insomnia by disrupting your body's natural rhythm.
   所有的这些因素都可能导致你的失眠因为他们打乱了你的生物钟。

5. Two days after discharge the patient experienced intense itching all over the body , anxiety and severe insomnia .
   出院两天后，患者出现全身明显瘙痒，焦虑和严重失眠。

6. To date, the only negative side effect reported from drinking green tea is insomnia due to the fact that it contains caffeine.
   至今为止，喝绿茶有报道的唯一负作用就是由于绿茶中含有的咖啡因造成失眠。

7. The message was "slow down" and the "assistance" was that I was finally able to sleep normally again after about a month of quasi-insomnia.
   启示是告诉我“放慢生活节奏”，“援助”是在失眠约一月后我又可以重新正常入睡了。

8. One out of every 10 people in the United States suffers from chronic insomnia, making for a big sleeping-pill market.
   在美国每10个人中就有一个患有慢性失眠症，这形成了一个巨大的安眠药市场。