Should you drink alcohol on a long flight?

All drinks with sugar, caffeine, or alcohol should be avoided to limit dehydration, and water should be the only drink choice during flights. But if water doesn't cut it, here's what Sauza said you should drink on your next flight.



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Because of the low oxygen availability in your blood, you may seem far drunk in the air than you would be on the ground after consuming the same amount of an alcoholic beverage. Moreover, the environment in the airplane is already dry, which coupled with the diuretic effects of the alcohol can make it worse.

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“Whether or not you're in an airplane, alcohol can disrupt the absorption of oxygen in the bloodstream. Therefore, being at a higher altitude, coupled with this effect on your blood oxygen, may make you feel more tipsy—think dizzy, light headed, or even nauseous.”

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“Most flight attendants won't drink the tap water, coffee, or tea,” said Whytney before noting that the latter two options also tend to dehydrate — another reason to stay away from them while traveling.

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If you are going on a long flight, it is best to think about hydration in advance. “At high altitudes, air is dryer and the oxygen content is lower. This is why, for every hour on a plane, you should drink 0.2 to 0.4 litres of water,” says Anamaría Teino, a doctor at Mehiläinen specialising in travel medicine.

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Unfortunately, alcohol isn't the answer for airplane sleep. While it can initially lull you into slumber, studies show that alcohol can lead to more awakenings, worse sleep quality, and less deep sleep. Plus, you will wake up feeling dehydrated and groggy, amplifying the dreaded jet lag.

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“It can be helpful in relaxing you or easing anxiety in the beginning, and since many people are anxious flyers, this can help,” Shapiro said, while also pointing out that drinking too much can lead to increased anxiety and have a boomerang effect, so it is important to know your limit.

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As a caveat, she noted that drinks with too much acid (such as tomato juice or citrus juice) can result in an upset stomach or heartburn if you're susceptible to these issues. Grosskopf said that a bloody mary, gin and tonic, Moscow mule, and a mimosa are all “safe bets” on flights.

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“Probably the best thing you can do before (and during) your flight is drink water,” says Aviva Rubin, MS, RDN. “Water prevents dehydration and reduces jet lag while keeping you from feeling lethargic.” Keeping yourself sufficiently hydrated is a simple way to get your flight off on the right foot.

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Water might be the best liquid for staying hydrated, but if you really struggle to drink a glass of still water many times over, there are other options that'll help keep you properly hydrated while flying. “While plain water is best for staying hydrated, other drinks and foods can help, too,” says Theunissen.

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You may feel more intoxicated Even still, the cabin air has far less oxygen than you would breathe if you were on the ground and, though some studies have shown booze doesn't have much effect on your BAC, it can still be metabolized faster and exacerbate the effects of altitude sickness.

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This is a very widely held urban myth. Residents of Denver, Colorado (1600m), will tell you that one drink in Denver is the same as two in Chicago (179m). However, the research is against it. Numerous studies have shown that altitude has no effect on your blood alcohol concentration (BAC).

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The Aerospace Medical Association suggests about eight ounces of water every hour you're in the air. The longer the flight, however, the more hydration matters.

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No drinking within 8 hours of flight Pilots may not use alcohol “while on-duty or within 8 hours of performing flight crew member duties.” The regulations also require that crew members submit to blood alcohol tests when requested by law enforcement officials authorized to ask for those tests.

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Some people drink to calm nerves or help sleep on planes—can this help? “What is more important is figuring out what can actually help nerves—and there are much better alternatives to booze,” Jo tells us.

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Top 5 travel tips to help you prepare for a long-haul flight
  1. Wear comfortable clothing. ...
  2. Stay hydrated. ...
  3. Exercise before you fly. ...
  4. Eat nutritious food. ...
  5. Practice meditation and yoga.


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That's why some people turn to tomato juice. Because tomato juice typically has a tartness and added spices, making the juice taste more flavorful than most drinks when in the air.

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After a flight, two great ways to relax and support your body are to dry brush and take an Epsom salt bath. Dry brushing stimulates the lymphatic system which aids in detoxification, and an Epsom salt bath (especially when mixed when baking soda) aids in muscle aches, inflammation, and radiation detoxification.

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Preparing for anxiety before your flight
  1. Don't drink coffee on the day of the flight.
  2. Wear compression socks.
  3. Get cosy.
  4. Get a good neck pillow.
  5. Bring earplugs and an eye mask.
  6. Do some research about your particular flight anxiety.
  7. Choose a good seat.
  8. Watch calm movies.


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