Jet lag and shift work disorder are circadian rhythm sleep disorders which result in sleepiness and can elevate injury risk.

时差及轮班工作障碍属于昼夜节律睡眠障碍者，因而造成思睡感且提高受伤风险。

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Jet lag is the best known circadian rhythm disorder, but this sensitive inner clock can also be disrupted by changes in routine resulting in an erratic sleep schedule.

时差是我们最为熟悉的生理节奏失调现象，但敏感的生物钟还会因我们睡眠时间不稳定而陷于混乱。

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Caffeine has a potential role in promoting alertness during times of desired wakefulness in persons with jet lag or shift work disorder, however its effects on injury and error are unclear.

咖啡因具有潜在的角色促进人们在有时差或轮班工作障碍时保持警觉状态，但对于工作伤害或错误的效果仍然未知。

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We all know about jet lag, but for people with bipolar disorder the circadian disruption that manifests as jet lag can be quite dangerous.

CNN: Can keeping a routine help control bipolar symptoms?

At the moment, Ptacek sees his research having the most direct applications for those who suffer from night eating disorder, difficulty with jet lag, and the problems associated with working graveyard shifts.

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