Timeshifter Jet Lag

Make jet lag history with science-based and highly personalized jet lag plans. Trusted by more than 1.7 million travelers and rated "as good as it's going to get" by The New York Times.

• The Wall Street Journal: "Indispensable"

• Condé Nast Traveler: "Say goodbye to jet lag"

• WIRED: "Will help reset your [circadian] clock"

• Travel + Leisure: "Game-changer"

PROVEN RESULTS

Timeshifter is used by astronauts, Formula 1 drivers, NBA players, and Olympic athletes.

Based on ~130,000 post-flight surveys:

✓ 96.4% of travelers who followed the advice avoided severe jet lag entirely.

✓ Travelers who ignored the advice were 6.2x more likely to experience severe jet lag – and 14.1x more likely to experience very severe jet lag.

YOUR FIRST PLAN IS FREE

Your first jet lag plan is free – no commitment is required! After your free plan, you can choose to purchase plans as-you-go or subscribe for unlimited plans.

KEY FEATURES

✓ Circadian Time™: Advice is based on your body's clock

✓ Practicality Filter™: Adjusts advice to the "real world"

✓ Quick Turnaround®: Automatically detects short trips

✓ Pre-travel advice: Start adjusting before departure

✓ Push notifications: View advice without opening the app

JET LAG MYTHS VS. CIRCADIAN SCIENCE

• Misleading advice on conquering jet lag – often promoted by non-experts or companies lacking real circadian science expertise – not only fails to help travelers but can make jet lag symptoms worse and may even cause harm.

• Jet lag CANNOT be fixed with generic sleep advice, exercise, hydration, dietary supplements, special diets, or fasting. None of these approaches will reset a traveler’s central circadian clock quickly to new time zones.

• Light is the key time cue to “reset” our circadian clocks, so the correct timing of light exposure and light avoidance, based on the traveler’s chronotype, normal sleep pattern and itinerary, is the only way to adjust to new time zones quickly. If the traveler’s timing is wrong, it will make their jet lag worse.

WHY WE MADE TIMESHIFTER

Getting the timing right is both complex and unintuitive. We created Timeshifter to make circadian science accessible and help you apply it to conquer jet lag.

Timeshifter helps you tackle both the underlying cause of jet lag – the disruption of your circadian clock – as well as reduce the disruptive symptoms, such as insomnia, sleepiness and digestive discomfort.

Timeshifter was developed with Dr. Steven W. Lockley. A Harvard Medical School faculty member for over 20 years and former Neuroscientist at Brigham and Women's Hospital, he is an international authority on circadian rhythms and sleep with nearly 30 years of research experience. Dr. Lockley helps NASA astronauts and mission controllers, Formula 1 drivers, NBA players, and Olympic athletes perform at their best.

Download Timeshifter and make jet lag history on your next flight.

These statements have not been evaluated by the Food and Drug Administration. Timeshifter is not intended to diagnose, treat, cure or prevent any disease, and is intended for healthy adults, 18 years of age or older. Timeshifter is not intended for pilots and flight crew on duty.

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