Start 3 days before departure. Day 1: "Feast" on a hearty high-protein breakfast and lunch and a high-carbohydrate dinner. No coffee except between 3 and 5 p.m. Day 2: "Fast" on light meals of salads, light soups, fruits and juices. No coffee except between 3 and 5 p.m. Day 3: Feast again. Day 4 (departure day): Fast. Caffeinated beverages only in morning when traveling west or between 6 and 11 p.m. when traveling east. Going west, you may fast only half a day. No alcohol on plane. Break final fast at breakfast time at destination. If flight is long enough, sleep until normal breakfast time at destination but no later. Feast on high-protein breakfast and stay awake and active, eating at meal times of destination.
Check with your doctor first if you are on a special diet. A version of this diet has also been used successfully by shift workers. If you need more information, contact Argonne National Laboratory, 9700 South Cass Ave., Argonne, IL 60439.
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