Jet lag sneaks up on you during long flights, hitting hardest about an hour after landing. While you can only partially avoid it, these steps can help minimize its impact on your vacation. SLEEP WELL TO TRAVEL WELL : Prioritize a good night's sleep before your flight to combat the effects of jet lag. STAY HYDRATED DURING THE FLIGHT : Avoid alcohol and caffeine, and drink water and occasional fruit juices to stay hydrated. STRETCH OFTEN: Keep your body active during