What is jet lag? Jet lag happens when your sleep rhythms are disturbed after you've been on a long flight or changed time zones. Jet lag affects everybody, but it can become more of a problem as you get older because you take longer to recover. Usually it takes 1 day to recover for every hour's difference between the time at your departure and arrival points. It can be worse if you fly from west to east, because that means they are moving forward in time and in the opposite direction to the sun. This means the time difference develops more quickly. What are the symptoms of jet lag? The main symptom of jet lag is that you feel very tired during the day and find it hard to sleep at night. Other common symptoms include: irritability anxiety changed bowel habits, such as constipation or diarrhoea difficulty concentrating not being as alert as normal not feeling very well headaches feeling low The symptoms will gradually get better as your body adjusts to the new time zone. It's important to take care when driving if you have jet lag.
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