Is the accommodation after the flight important in treating Jet lags?

Absolutely, afternoon sun can greatly benefit you if you are Jet lagged. Moreover, short naps and showers can also help you with treating and dealing with Jet lag.

You should drink plenty of fluids and Rest during the flight. Moreover, you should limit your caffeine consumption and no caffeine during the flight is the best thing to do. Furthermore, you should avoid and alcoholic beverages during the flight and try to be as active as you can.

You should change your sleep routine a few days before your departure and Get enough sleep before you travel. Moreover, you should keep calm and relaxed and avoid getting stressed before the flight.

If you exercise regularly, continue to do so at your destination. Avoid exercising late in the evening, because it can keep you awake. In general, good body shape can help prevent many side-affects cause by flights.

While in flight, avoid sleeping at times that wouldn't be appropriate for sleep at your destination

For treating jet lag, it is suggested that a dose between 0.3 mg and 5 mg of melatonin be taken on the first day you travel at the time you will want to go to sleep at your destination. This may be continued at bedtime for a few days once you are at your destination.

On long flights traveling across 8, 10, or even 12 time zones, you should break up your trip with a stay in a city about halfway to your destination.

You should drink plenty of water, especially during the flight, to counteract the effects of the dry atmosphere inside the plane. Take your own water aboard the airplane if allowed.

Absolutely, don't drink alcohol the day before your flight, during your flight, and the day after your flight. These beverages can cause dehydration, disrupt sleeping schedules, and trigger nausea and general discomfort.