It's unclear why insomnia is linked to higher heart attack risk. Some suggest sleep problems affect heart attack risk factors such as high blood pressure and inflammation.

目前还不清楚为什么失眠症与较高的心脏病发作风险相关。有人认为睡眠问题可能影响了心脏病发作的相关因素，比如高血压和炎症。

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It's unclear why insomnia is linked to higher heart attack risk. Some suggest sleep problems affect heart attack risk factors such as high blood pressure and inflammation.

目前还不清楚为什么失眠症与较高的心脏病发作风险相关。有人认为睡眠问题可能影响了心脏病发作的相关因素，比如高血压和炎症。

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