This was because the subjects' circadian rhythms - which determine patterns of alertness and tiredness - had been disturbed, creating an effect similar to jet lag.

这是因为人体生理节奏--决定人机敏性和疲倦性的程序已经被打乱了，导致了一个像时差的后果。

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Psychologists say that using limited holiday time can lead to resentment and your sleeping patterns are disrupted, just like normal jet lag.

心理学家表示，使用有限的假期时间会使人心生愤恨，睡眠模式也会被打乱，就像平时的飞行时差那样。

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Instead, the changeover can cause havoc with our sleep patterns and lead to "social jet lag."

相反地，时间的转换可能扰乱睡眠模式，引发「社交时差」。

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