Jet Laggard

Jet Laggard plans how to shift your body clock for a flight across time zones. Enter your trip and your usual sleep. Jet Laggard estimates where your body clock is, then gives you a day-by-day plan: • when to get bright light, and when to avoid it • when to sleep, including on the plane • optional exercise timing Plans are calculated on your phone, so they work offline and in the air. Reminders arrive at the right moment, even in flight mode. Use it without an account, or sign in with Apple, Google or email to keep your trips in step across devices. Your first trip is free. Unlimited trips is a one-time purchase, not a subscription. How it works: the plan uses published research on how light and exercise shift the body clock. The app explains its sources and limits in "How this works". Jet Laggard is not a medical device and does not give medical advice. Talk to a doctor before changing…