The depression is mood problems arise!

而抑郁症是心境方面出现的问题！

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Moreover, cognitive and mood problems may not be the only consequences of too little sleep.

不仅如此，睡眠过少的后果可能不只是认知能力和情绪问题。

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Take fibromyalgia, which brings pain to muscles and joints, as well as problems with fatigue, sleep and mood.

例如纤维性肌痛，这会导致肌肉和关节的疾病，还会伴有疲劳，睡眠和情绪问题。

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Failure to do this effectively may be the root of some post-natal mood problems, they said.

BBC: Chemical clue to baby blues found

The main hormone produced during stress is cortisol, which causes aggression and and mood problems.

FORBES: Women Are Happier Than Men; Testosterone To Blame

For decades some doctors have complained these drugs are overused for mild mood problems.

FORBES