Adjustment to a 9-hour time shift from eastward travel was determined to be the most taxing to the body's circadian system, according to the researchers' model, requiring the most recovery time from jet lag.
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The maximum possible jet lag between two points is 12 hours; e.g. between Helsinki and Honolulu in either direction. If you travel across the International Date Line, subtract the time zone difference from 24 to get the correct time difference. For example, an 18-hour time difference would equal 6 hours of jet lag.
Adjustment to a 9-hour time shift from eastward travel was determined to be the most taxing to the body's circadian system, according to the researchers' model, requiring the most recovery time from jet lag.
Sleep Foundation notes that jet lag happens when we travel across three or more time zones. And, there's bad news for anyone traveling from the U.S. to Europe: jet lag is worse when you travel east than it is when you travel west. Why is this?
Symptoms may be more pronounced as more time zones are crossed. Most people find that jet lag is worse when traveling east than it is when traveling west.
Pilots, flight attendants and business travelers are most likely to experience jet lag. Being an older adult. Older adults may need more time to recover from jet lag.
If you have the choice, try to book a flight that leaves between 8 am and noon and arrives between 6 pm and 10 pm. According to this book, flights that leave late at night (10 pm-1 am) and arrive in the morning (8 am to noon) give a much bigger risk for jet lag.
You can use the fasting reset to get the circadian rhythm back on track. If you abstain from food while you travel and indulge in a filling meal the moment you land, you will supply the body with the necessary energy. Just like you would get from a regular morning meal. With fasting, jet lag symptoms can subside.
Is jet lag worse east or west? Yes. Adjustment to a new time zone is harder when traveling east than traveling west. This is because you “lose” time and you end up trying to fall asleep when your body is actually waking up.
The best time to fly to EuropeIf you want to avoid jet lag as much as possible, try to find a flight that arrives in Europe in the mid-afternoon or evening. This means leaving North America in the early morning.