中文摘要：

失眠是一种十分普遍的生理心理疾病。近年来应用脑功能磁共振（fMRI）技术探索失眠发病机制的研究日益增多。本文拟从正常睡眠、失眠的脑结构及功能成像，特别是脑功能网络方面对失眠机制的mRI研究进展简要综述，为今后相关研究提供方法和思路。

英文摘要：

Insomnia is a chronic dysfunctional physical and mental disease. Functional magnetic resonance imaging （fMRI） technology is popular applied to study the insomnia in recent years. In this review we briefly reviewed the current state of fMRI technological research of normal sleep and insomnia in terms of brain imaging of brain networks.