Science-based jet lag management

Conquer jet lag
with precision timing

JetShift generates a personalized circadian rhythm adjustment plan based on your flight, sleep schedule, and the latest chronobiology research. Know exactly when to seek light, sleep, take caffeine, and use melatonin.

Create Your Plan

Light Timing

Precise windows for seeking bright light or avoiding it to shift your body clock.

Sleep Schedule

Day-by-day sleep window shifts that gradually move your rhythm to the destination.

Caffeine Timing

Optimal windows to drink coffee and a hard cutoff to protect sleep quality.

Melatonin Guide

Low-dose melatonin timing recommendations to reinforce your new schedule.

How it works

  1. 1

    Enter your trip

    Departure and arrival cities, date/time, and your usual sleep schedule.

  2. 2

    Algorithm runs

    We calculate your CBTmin (core body temperature minimum) and generate a multi-day adaptation plan.

  3. 3

    Follow your timeline

    A colour-coded day-by-day timeline tells you exactly what to do and when.

  4. 4

    Save & revisit

    Your plan is saved so you can check it anytime during your trip.

JetShift — circadian science made practical.

Not a substitute for medical advice. Consult a physician before using melatonin.