This article originally appeared on the Crew blog. In a couple of weeks I’m flying to Europe, so I’ve been thinking about jet lag recently and how to overcome it. I’ve been overseas a few times before and had a mixture of reactions. Occasionally jet lag knocks me out for a couple of days, whereas other times I barely feel it. I hoped that by understanding more about why we get jet-lagged and how it affects us, I might find some strategies for adjusting to new time zones more quickly. What jet lag really is Essentially, jet lag is a...

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