脑电生理变化：抑郁症患者在检查脑电变化时，显示出抑郁症患者睡眠时间少，睡眠质量差容易失眠的情况。

Second, brain electrical physiological changes: people with depression in check brain electrical changes, shows that depressed patients less sleep sleep time, poor quality of insomnia easily.

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认为自己“总是睡眠充足”的青少年患抑郁症的几率低65%。另外，抑郁症及自杀念头在女孩，年龄较大的青年人和认为父母对自己关心少的青年人中更为常见。

Depression and suicidal thoughts were also more likely in girls, older teenagers and in those who had a lower self-perception of how much parents care about them.

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“国家的抑郁症，可以使人们少活跃，”哈默说。

"The state of depression can make people less active," Hamer says.

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