The excitement of a dream vacation in a faraway land can lose its luster if you get there and find yourself fogged-in by jet lag.
Certainly, if a big business meeting is the purpose of your trip, you want to land and be as mentally "on your game" as possible.
Now, thanks to University of Michigan researchers, there's an app for that.
It's called Entrain, and it crunches the numbers to help you minimize that jet lag.
Daniel Forger, professor of mathematics and computational medicine, joined us to talk about the app.
Listen to the full interview above.