That's right -- it all comes down to our circadian rhythms, which get messed up when we travel to different time zones. But according to research, skipping a meal when you reach another time zone can help reset your internal clock and re-adjust to a new schedule more quickly. But for most of us. skipping a meal when we've undergone the stress of travel goes against instinct -- the first thing I do when I get off the plane is grab a bite to eat to ward off the crankiness of the sleep and food deprivation. Still, if you can swing it, give it a try!