如果白天有很强的睡意，想小睡一会，虽然有充足的睡眠时间，这也许意味着睡眠障碍需要进一步评估。

If there is excessive daytime sleepiness and desire to nap, in spite of adequate sleep time, this might suggest a sleep disorder warranting further evaluation.

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那些睡眠持续时间在正常范围但毫无睡意的病人就会通常抱怨为得了失眠症。

"Patients commonly complain of insomnia when their sleep durations are well within the range of people without sleep symptoms."

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如果睡眠受到干扰，你的身体便会自动产生额外的皮质醇，这会增加你在第二天的睡意。

If your sleep is interrupted, your body automatically produces extra cortisol, which will increase your appetite the next day.

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