If you work a late shift or travel frequently, your sleep cycles could be off.
如果你的工作时间是在夜里，或者是经常出差，你的生物钟很可能会被打乱。
New research has found that women tend to have shorter, earlier sleep cycles then men.
最新研究发现：女性比男性的睡眠周期更短、更早，所以女性往往比男性睡得更早、醒得更早。
Whenever we change sleep cycles your biological clock has to adjust to the new schedule.
每当我们改变睡眠周期时，你的生物钟就得作出相应的调整。
Remember, too much coffee may throw off our sleep and energy cycles.
记住，喝太多咖啡会影响我们的睡眠和能量循环。
There are several different stages of sleep, and they too ur in cycles.
有几个不同阶段的睡眠，和他们也发生在周期。
There are several different stages of sleep, and they too ur in cycles.
有几个不同阶段的睡眠，和他们也发生在周期。
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