美国睡眠医学会建议，在旅行前数周慢慢调整睡眠时间，等到你出发的时候，已经开始习惯了。
The AASM suggests slowly shifting sleep times in the weeks before a trip so that by the time you arrive, you're already acclimated.
美国睡眠医学会建议，在旅行前数周慢慢调整睡眠时间，等到你出发的时候，已经开始习惯了。
The AASM suggests slowly shifting sleep times in the weeks before a trip so that by the time you arrive, you're already acclimated.
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