Drink plenty of water before, during, and after your flight to prevent dehydration.
If possible, select an aisle seat so you can get up and move around more easily.
Take short walk down the aisle frequently to keep your blood circulation active and prevent stiffness.
Drinking alcohol can lead to dehydration.
Wear loose and breathable clothing to adjust to temperature changes in the cabin.
Pack your own nutritious snacks like nuts, fruit, and whole-grain crackers.
Carry hand sanitizer and use it regularly, especially before eating.
If you're crossing multiple time zones, try to adjust your sleep schedule.
These can help you get more comfortable sleep on a long flight, which is important for reducing travel fatigue.
Bring books, magazines, or electronic devices to keep yourself entertained during the flight.