7 Science-Backed Jet Lag Prevention Techniques from Ultra-Frequent International Flyers

Post Published December 19, 2024

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7 Science-Backed Jet Lag Prevention Techniques from Ultra-Frequent International Flyers - Acclimate Your Body Clock 3 Days Before with Time Zone App Science





To effectively prepare for a new time zone, a three-day pre-trip strategy is advised. Start subtly altering your sleep patterns and meal schedules, working towards the destination's rhythm. A dedicated time zone app can be a useful tool, providing reminders and guidance for these shifts. The timing of light exposure is also important, with bright morning light promoting wakefulness and dim evening light helping prepare for rest. Upon arrival, engaging in some activity will likely help combat tiredness and improve alertness, assisting your body in more quickly adapting to the new location and its time cues. These proactive actions give you a better chance of avoiding the worst effects of travel and allowing you to be ready to start enjoying your trip quickly and with less of that discombobulating feeling after a long flight.

To get your internal clock ready for a different time zone, begin shifting your sleep schedule roughly three days prior to your journey. Alter it gradually towards your destination's local time, rather than suddenly. There are apps available that help with this transition; they will assist you in scheduling these incremental changes to mealtimes and bedtime, specific to where you are traveling to. These kinds of technologies can help with keeping track of the complex adjustment you need to make.

Scientific investigations show various strategies help to minimise jet lag, particularly for those who fly often between distant time zones. These include keeping well-hydrated while flying, and having a dose of natural light once you land, and engaging in some light activity; all these actions can affect your natural body cycle. Taking melatonin supplements might also assist with moving sleep patterns. Limiting or avoiding caffeine and alcohol while on the way and in the last few hours before sleep, are also helpful in maintaining decent rest.

What else is in this post?

  1. 7 Science-Backed Jet Lag Prevention Techniques from Ultra-Frequent International Flyers - Acclimate Your Body Clock 3 Days Before with Time Zone App Science
  2. 7 Science-Backed Jet Lag Prevention Techniques from Ultra-Frequent International Flyers - Hack Your Light Exposure with FDA-Approved Re-Timer Glasses
  3. 7 Science-Backed Jet Lag Prevention Techniques from Ultra-Frequent International Flyers - Strategic Fasting Using the Argonne Anti Jet Lag Diet Protocol
  4. 7 Science-Backed Jet Lag Prevention Techniques from Ultra-Frequent International Flyers - Natural Melatonin Production Through Temperature Control
  5. 7 Science-Backed Jet Lag Prevention Techniques from Ultra-Frequent International Flyers - Movement Science with Targeted In-Flight Compression Wear
  6. 7 Science-Backed Jet Lag Prevention Techniques from Ultra-Frequent International Flyers - Circadian Rhythm Reset Using MIT Sleep Lab Methods
  7. 7 Science-Backed Jet Lag Prevention Techniques from Ultra-Frequent International Flyers - Flight Scheduling Around Peak Cortisol Times Based on Stanford Research

7 Science-Backed Jet Lag Prevention Techniques from Ultra-Frequent International Flyers - Hack Your Light Exposure with FDA-Approved Re-Timer Glasses





7 Science-Backed Jet Lag Prevention Techniques from Ultra-Frequent International Flyers

For frequent flyers battling jet lag, FDA-approved Re-Timer glasses offer a novel approach to managing light exposure. These lightweight glasses emit blue-green light that simulates natural sunlight, aiding in the regulation of circadian rhythms. By wearing them for about 30 to 60 minutes in the morning, travelers may enhance their sleep quality and adjust their internal clocks to align with their destination's time zone. The glasses are designed for portability with a long battery life, making them a practical travel accessory in the fight against jet lag. While effective light therapy is a key tactic, combining it with other strategies can deliver even better results in overcoming the disorientation that often accompanies international travel.

Re-Timer glasses utilize a specific type of phototherapy, emitting blue-green light, that directly influences the body’s internal clock. This approach can be very impactful in shifting our circadian rhythm, mainly by adjusting the levels of melatonin we produce. The glasses have undergone substantial testing and gained FDA approval, suggesting a degree of safety and reliability in treating sleep problems and related disturbances due to disrupted rhythms. For best results, using these glasses for approximately 50 minutes either in the mornings or evenings (depending on whether you’re flying east or west) could be necessary to align one's internal time with the local time at the destination and reduce that feeling of jetlag after your long flight.

Clinical trials suggest that using the glasses might decrease jet lag by about half, indicating that controlling light exposure can be an effective way to minimize travel fatigue and discomfort. The effect of light exposure on the body’s daily cycle is well understood by research into the circadian rhythm, with significant disruption to this cycle from cross-time-zone travel leading to significant jet lag symptoms that can continue for some time. While the glasses do have a upfront cost, they might prove to be cheaper over time than other approaches that involve continued consumption such as melatonin pills which must be taken daily.

The reaction to light therapy varies with some people noticing an improvement quickly while others may require a few days of use to experience positive changes, pointing towards the importance of an adjusted approach. Because the glasses are light and travel friendly it makes them a useful solution compared to those that require complex set up or bulky equipment. There are some users that report temporary side-effects like eye strain which stresses the need to adapt gradually to light therapy. Studies are continuing to look into the wider use cases of light therapies like Re-Timer glasses for a broader range of conditions outside of just jet lag such as SAD, seasonal affective disorder and other types of sleep issues.



7 Science-Backed Jet Lag Prevention Techniques from Ultra-Frequent International Flyers - Strategic Fasting Using the Argonne Anti Jet Lag Diet Protocol





Strategic fasting, as detailed in the Argonne Anti Jet Lag Diet Protocol, presents a well-defined dietary plan for those who frequently grapple with jet lag. This approach revolves around adjusting meal timings in the days before a flight to help your body's internal clock align with the time zone of your destination. It involves a pattern of feasting and fasting, using high-protein foods to boost alertness and high-carbohydrate foods to encourage rest, mirroring the body's natural sleep-wake cycle. This specific food timing technique is often recommended for frequent flyers because the outcome is a greatly diminished risk of experiencing jet lag. When combined with the other tactics, it is quite helpful in easing transitions between time zones for travellers.

The Argonne Anti Jet Lag Diet Protocol utilizes strategic fasting, not just restricting when you eat, to potentially lessen jet lag. This involves managing when to consume food to better align with your destination's time zone before your trip. By reducing food intake temporarily, the thinking goes that the body’s clock can be more easily adjusted, making the transition smoother when you cross time zones.

From a research perspective, fasting, or what is referred to as “strategic” fasting by the Argonne diet proponents, may help reset metabolism. It is suggested that brief periods of food restriction might make it easier for the body to get used to new time zones by improving its insulin response and reducing lethargy after long trips. Furthermore, by controlling meal timing along with fasting, levels of melatonin, a hormone involved in regulating sleep cycles, may be influenced. When meals are synced with fasting, jet lag can be reduced by aligning your biological clock with your destination's local time more efficiently.

The Argonne diet is designed around the idea of reduced calorie intake before and during the journey. Interestingly, limiting calories has been shown to possibly have positive effects on overall health, which some think can assist with recovering from travel fatigue. As an engineer, I find the potential for using food restriction as a way to mitigate jetlag very interesting.

Also, consider the implications for thinking itself. Fasting seems to enhance cognitive abilities, useful for those who need to be alert and ready for tasks when they reach their destination, such as complicated logistics immediately upon arrival or simply understanding the local language on that bus you need to take. Moreover, responses to fasting vary quite a lot across the population. So, adapting fasting to suit your individual physiology might just be another optimization for jet lag management; different approaches may be required for different people.

The hydration factor cannot be discounted either. Reduced food and proper hydration seem to be a good combination to help mitigate dehydration while on a flight, potentially assisting with quicker acclimatization once at your destination. Emerging research on the gut microbiome also suggests fasting can improve gut health, which affects overall wellbeing and perhaps even emotional state.

The timing of meals is also thought to be a crucial part of the method. Research has demonstrated that mealtimes near the new time zone might stimulate the circadian system. That is, mealtimes could act as a cue for readjusting the body’s clock with your new time zone. Beyond the immediate symptoms, fasting could potentially reduce inflammation which in return might help you cope with stressors of travel. Using this protocol may not only alleviate the issues with jet lag in the moment but may provide longer term benefits such as improving metabolism and helping you deal with future fatigue.



7 Science-Backed Jet Lag Prevention Techniques from Ultra-Frequent International Flyers - Natural Melatonin Production Through Temperature Control





7 Science-Backed Jet Lag Prevention Techniques from Ultra-Frequent International Flyers

The body's natural production of melatonin, a crucial hormone for regulating sleep, is heavily influenced by temperature and light. Frequent flyers crossing time zones should pay special attention to these environmental cues. A cooler, darker sleeping area can encourage the body to release more melatonin, improving rest. This strategy interacts very well with controlled light exposure, which is a method to adjust one’s internal clock after long flights. Utilizing both of these techniques offers a more organic method to reduce jet lag and help with overall well-being. Temperature control can work very well alongside other techniques aimed at jet lag reduction, providing a smoother landing to your new destination.

The human body's production of melatonin, that much debated hormone which helps regulate sleep cycles, is significantly affected by light and temperature. As a substance, melatonin is typically released in darkness; however, cooler temperatures can also influence and boost its release by the body. I find this fascinating and want to investigate this further.

Research indicates that maintaining a consistent cool temperature in one's sleeping environment, somewhere between 15 and 19°C (60-67°F), seems optimal for obtaining more restorative rest and perhaps also a good, stable output of this hormone. During normal sleep, our body's temperature also naturally decreases to its lowest point, and this drop triggers the release of melatonin. It is a self-regulating cycle of temperature management and hormonal control, working in conjunction to achieve more restful periods.

Interestingly, short bursts of cold exposure before sleep, say for instance a cold shower, could also increase melatonin release. Such techniques could be particularly helpful for those of us who need to switch time zones with minimal delay, so if you have an important meeting immediately upon landing.

Studies show that dramatic temperature fluctuations in the sleeping environment can interfere with the production of this critical hormone. A consistent, cooler space is key to proper rest and allows our bodies to get up to speed quicker with new schedules in different time zones. The internal temperature regulation process is linked closely to our hormonal system and we need to get them to sync.

What puzzles me though, is that typical airplane cabin temperatures are often kept between 20 and 24°C (68 to 75°F). This, in fact, goes against what seems to be optimal conditions for melatonin production and could disrupt the temperature decrease that we need. It might not help that people may sleep better with a lower room temperature than is generally provided for airline travel.

Disruptions in our natural thermoregulation, like say in some cases of insomnia, have been linked to issues with melatonin production. Therefore, an important question to consider is: If we can better control sleeping temperatures we might assist in those sleep disorders relating to changing time zones.

Also I keep thinking that cognitive performance and temperature are linked: lower temperatures seem to improve focus. So for example, after we land and we are not as confused, that better clarity may help with those complex tasks that you sometimes are required to carry out after your arrival. It is therefore worth exploring the interaction between temperature, sleep, and mental performance further.

New smart devices may help, such as automated thermostats or phone apps. These technologies, when correctly utilized, could allow for programmed temperature decreases during sleep. I imagine, and hope, such tech would aid in making the adjustment to new time zones significantly quicker and more efficient. It should be noted, that this entire system is tightly interlinked: light exposure, temperature control and melatonin synthesis, all seem to be involved. Manipulating these factors when shifting time zones can be quite crucial for efficient jet lag management.



7 Science-Backed Jet Lag Prevention Techniques from Ultra-Frequent International Flyers - Movement Science with Targeted In-Flight Compression Wear





Targeted in-flight compression wear is becoming a popular tool among travelers who wish to minimize jet lag and improve comfort during long journeys. These specially designed garments aim to increase blood circulation which can help with the issues arising from sitting for extended periods of time such as swelling and tiredness. They may also reduce the potential for deep vein thrombosis (DVT). By offering a snug fit, this type of clothing not only supports your muscles but can also make movement more efficient by cutting down on muscle vibration, which might lead to better physical well-being throughout your travels. As people try out a range of ways to lessen the impact of jet lag, the inclusion of compression clothing might be a useful option for more comfortable and easier crossings of time zones.

Targeted compression wear, particularly during flights, appears to be connected to better movement science outcomes by assisting with improved blood flow, which could assist with jet lag prevention. It’s likely that more effective blood circulation could mitigate issues related to prolonged sitting, such as fatigue and swelling, by improving oxygen delivery to muscles and perhaps lowering the possibility of deep vein thrombosis (DVT). Research indicates that wearing such garments while traveling may improve recovery times and decrease leg discomfort, potentially leading to a better overall travel experience.

It has been shown, I’ve seen studies that indicate that compression gear has been used for physical performance, so it makes logical sense that similar principles could be applied here for long distance travel. That is, support muscles, reduce vibrations, and enhance efficient movement; they all seem sensible enough goals. Some studies seem to indicate a faster recovery of as much as 30%. But the data isn’t clear if that transfers to a jet lag type scenario. I do wonder how accurate these claims are as often a commercial pressure can overstate claims.

It's claimed that these garments could assist with regulating body temperature by enhancing circulation. I question whether that is the most significant impact however. More likely, it is to provide physical support. Also, it’s thought that simply the psychological element of the physical support given can lower anxiety in some travellers. Such a psychological boost could translate to a better overall trip.

The industry seems to be focusing its new designs on providing targeted support to places where travellers tend to experience most discomfort, like thighs and calves. A more specific support seems logical, as does the potential for decreased swelling. It also seems that some travellers experience more and deeper sleep with these garments, perhaps because of the increased comfort provided from better circulation.

It’s important to be critical when looking at these emerging claims. Some of the more cutting edge materials used seem promising, but will need further evaluation. It will also be necessary to see if, in the long run, these products are a value for money proposition or simply a passing fad with little demonstrable gain, other than perhaps a feeling of greater well being.



7 Science-Backed Jet Lag Prevention Techniques from Ultra-Frequent International Flyers - Circadian Rhythm Reset Using MIT Sleep Lab Methods





To reset your body clock effectively, various strategies used by sleep researchers underscore the role of light exposure and predictable routines. Exposure to bright light in the morning is a powerful cue for your body, signalling the start of the day and promoting alertness, whilst reducing light in the evening readies the body for rest. Having steady sleeping and eating times is important, as the body prefers this consistency. This is especially true when you travel across multiple time zones. Also, steer clear of caffeine and alcohol during flights; these substances will do a great job of disturbing your sleep, which is the last thing you need. Also, stay hydrated, which helps improve your overall sleep quality and ease the effects of jet lag. These methods should provide you with a more natural way to adjust when crossing time zones.

The MIT Sleep Lab's focus on circadian rhythm resets is primarily about light exposure's critical influence on our internal clock. For instance, early morning bright light can nudge the sleep-wake cycle forward while evening light can delay it. This adjustment helps frequent travelers significantly by helping them adapt to new time zones. The trick here is the precise timing of light exposure and that the timing itself is the driving factor in your body responding to your light cues. Another important tactic includes progressively shifting one's sleep times ahead of departure; it makes transitioning to a new time zone less jarring.

Science-backed methods often prove useful for travelers looking to reduce jet lag. As I keep reading, it seems clear that keeping hydrated is key; dehydration might make that tired feeling worse. Likewise, using melatonin at the right times can help move your body into the new rhythms. Regular exercises alongside good sleep hygiene practices—such as not looking at screens in the last few hours of the day—can better maintain the internal circadian rhythm that we are all attempting to stabilize. Aligning your meal timings with your new destination's schedule appears to compliment these other actions, which, in turn, improves digestion and maintains overall energy throughout your travels. It is a collection of approaches working together.

The most surprising thing I've learned are that:
1. Light's Impact on Melatonin: Research has shown, that depending on the intensity and timing, light can delay or push forward your internal clock depending on when you expose yourself to it, by changing the melatonin production. Manipulating light is a way to adapt more quickly to time changes.
2. Sleep Consistency Matters: Evidence indicates that consistently keeping a fixed sleep and wake time is what is required, no matter your time zone. Having a fixed rhythm makes adaptation to travel less impactful.
3. Temperature and Sleep Quality: Investigations show that keeping a cooler sleeping environment assists your rest because of its effect on melatonin production.
4. Naps and Sleep Cycles: Interestingly, short 20–30-minute naps are useful for resetting our rhythm without negatively affecting long sleeps which makes these naps a helpful tactic.
5. Movement & Time: Getting some exercise after a flight helps bring the internal body clock back to sync by moving hormone levels in a way that enhances your alertness.
6. Protein's Role: Eating a protein heavy breakfast seems to boost energy and focus after you land. This might prove useful to adjust to a new location more quickly.
7. Sleep Brain Patterns: Imaging shows a change of brain activity during sleep among frequent travelers which highlights how jet lag really impacts the cognitive system.
8. Time Zone Shifts and Strategies: Gradual shifts of your sleeping schedule, say 1–2 hours at a time, are more effective, compared with sudden jumps. This matches the methodology found in MIT Labs.
9. Chronotypes: The time of day when people feel the most alert varies and that affects how quickly people get back to schedule with eastern destinations easier for morning larks and western easier for evening owls.
10. Cognitive Performance After Travel: Disruptions in your daily schedule and rhythm can impact thinking and decision-making, indicating that serious consideration should be given to managing jet lag if you must be alert shortly after arrival.



7 Science-Backed Jet Lag Prevention Techniques from Ultra-Frequent International Flyers - Flight Scheduling Around Peak Cortisol Times Based on Stanford Research





Recent findings from Stanford University emphasize the importance of timing flights around natural cortisol fluctuations. Studies indicate that flying east causes particular hormonal shifts, with a rapid increase in cortisol after waking, followed by a sharp drop. This can result in increased fatigue and disorientation upon arrival. By selecting flights during times when cortisol levels are naturally lower, frequent flyers might better cope with the stress of crossing multiple time zones. This approach, alongside other strategies, such as adjusted light exposure and meal timings, could result in a gentler adaptation to new destinations and a quicker recovery.

Research into cortisol, often called the "stress hormone," shows its levels peak after waking. Therefore, early morning flights, often promoted by budget carriers, may induce more stress on travellers. Aligning flight schedules to coincide with lower daily cortisol levels might minimize such travel-related strain and make adapting to new time zones easier.

Stanford studies show our internal clock works in cycles that are approximately 24.2 hours, regulated by both light and peaks of cortisol. This suggests that flights later in the day, such as late afternoon or early evening, could fit better with our natural rhythm and perhaps decrease jet lag. The logic seems that lower cortisol levels might enable more restful travel.

Further studies indicate that when eating on flights, lighter meals eaten before or during expected cortisol peaks could regulate insulin and boost energy. Avoiding heavy foods could be one key in minimizing fatigue. It's also becoming clearer that good sleep patterns leading up to a trip can act as a buffer against jet lag, helping one transition to new time zones with greater ease.

Staying hydrated is key, given studies showing a correlation between dehydration and elevated cortisol, which will increase jet lag effects. Being well hydrated on flights may assist with faster acclimatization after arriving at your destination and help minimize fatigue.

However, cortisol reactions vary quite a bit amongst people; factors like genetics, personal health, and how you generally live, all change your stress response and ability to adjust to time differences. Personalized methods to flight schedules may therefore be required.

Controlled light exposure is another factor in the equation. Light exposure during a flight, especially when connected with cortisol levels, changes how much melatonin is made, meaning proper lighting conditions might be another way to reduce jet lag symptoms. Once you arrive, getting moving through activity might reduce stress and improve mood. Such activity should, according to these studies, help shift the internal clock over into your new time zone.

Finally, sleep quality studies indicate that poor sleep impacts working memory and attention. This is yet another argument for better flight schedule coordination to allow maximum sleep before and during the flight to improve cognitive readiness when you arrive. This may even mean planning against long connections during periods where cortisol is expected to be highest.


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