"In fact," says Stickgold, "this may be one of the main goals that led to the evolution of sleep."

Stick gold说：“事实上，这可能就是睡眠演化的主要目的之一。”

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REM sleep, the brain state most highly correlated with anxious, angry dreams, occurs late in evolution and early in the lives of those creatures which have REM.

在快速动眼睡眠中，大脑的状态与焦虑和生气的梦联系最紧密，这种现象发生在进化末期，以及那些有此类睡眠的动物的早期生活。

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REM sleep, the brain state most highly correlated with anxious, angry dreams, occurs late in evolution and early in the lives of those creatures which have REM.

在快速动眼睡眠中，大脑的状态与焦虑和生气的梦联系最紧密，这种现象发生在进化末期，以及那些有此类睡眠的动物的早期生活。

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