Can traveling cause brain fog?

Blame jet lag, when your body's circadian rhythm — its expected sleep and wake times — is out of sync with your new location, leaving you with brain fog at midday or insomnia in the wee hours.



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Jet lag is a common but short-lived sleep problem you can get after traveling across more than two time zones. Jet lag can make you feel out of sorts due to an abrupt change in your body's internal clock or circadian sleep rhythms.

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How long jet lag lasts will depend on several factors. These include how far you traveled, your body's unique rhythms and your overall health. Many people who experience jet lag feel better a few days after arriving to their destination. For some people, it can take up to one week to feel fully back to themselves.

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Air travel Airplanes can be breeding grounds for bacteria and viruses, from cramped conditions to the low humidity that characterizes the air circulating on board. Low humidity can dry out your nasal passages and irritate your throat.

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It is not recommended to fly with acute intracranial hypertension because the conditions in the plane can worsen your condition and cause excruciating pain. If you have chronic or benign intracranial hypertension, you might be able to fly if your condition is under control.

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Travelling improves your mental health by helping you feel calm. Taking time from work to see new places releases the stress you've been holding on to, so much so that the feeling can only be described as feeling alive. Studies have shown that we value our experiences more than any material possessions we may own.

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It is widely acknowledged that jet lag is worse when travelling east, but this has nothing to do with the direction of Earth's rotation. Like many creatures, humans have a circadian rhythm that follows a 24-hour period and is kept in sync by the eyes' response to natural light levels over the day.

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Risks Associated with Flying
  • You may be at risk for developing Deep Vein Thrombosis (DVT) ...
  • Your blood pressure could rise. ...
  • You might develop an earache or temporary hearing loss. ...
  • You may become dehydrated. ...
  • You could experience jet lag.


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The main aspect of in-flight health that most of us will encounter is tiredness and changes to circadian rhythms. Flying often involves getting up at unsociable hours, inadequate sleep and messing up the body clock — all of which leave us more susceptible to being hit nastily by any bugs that may be floating about.

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Extended travel can actually affect your personality.
These traits include neuroticism, openness, extraversion, conscientiousness and agreeableness. The more travelers interact with new people and immerse themselves in a new culture, the more their goals are aligned with the openness personality trait.

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Travel can be exhausting. Here are tips to feel whole again.
  1. Hydrate, hydrate, hydrate. Travel, especially on a plane, can be dehydrating. ...
  2. If you're not napping, stay engaged. ...
  3. Keep your blood flowing. ...
  4. Start moving ASAP. ...
  5. Get outside. ...
  6. Refuel with something satisfying or healthy. ...
  7. Prioritize rest. ...
  8. Take a shower or steam.


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Flying does two things that are relevant to dizziness-- it may induce motion sickness, and it may stimulate the ear through pressure changes. There is a small literature about alternobaric vertigo. In small planes, dizziness may come from either or both mechanisms.

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Dryness and air pressure changes can affect your ears, sinuses & taste. A 3 hour flight can shed up to 1.5 litres of water from the body. Aeroplane cabin humidity levels as low as 4% can cause the mucous membranes of your nose, mouth and throat to dry out.

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