# How to Beat Jet Lag: A Practical, Science-Based Plan URL: https://emptvl.vercel.app/travel-guides/how-to-beat-jet-lag Publisher: Empyrean Travel (https://emptvl.vercel.app/) Last reviewed: 2026-10-19 How to beat jet lag: shift your sleep before you fly, use light and meal timing to reset your body clock, and recover fast after eastbound or westbound flights. **Quick answer:** Beat jet lag by shifting your body clock with light, sleep timing, and meals. Start adjusting your bedtime a few days before departure, seek morning light after flying east and evening light after flying west, and avoid long naps on arrival. Your body typically adjusts by about one time zone per day, and eastbound trips are usually harder. - Recovery rate: Roughly 1 time zone per day - Harder direction: Eastbound - Most powerful tool: Well-timed light exposure - Free tool: Empyrean jet lag planner ## Why does jet lag happen? Jet lag happens when your internal body clock, or circadian rhythm, is out of sync with local time after crossing several time zones. The result can include poor sleep, daytime fatigue, trouble concentrating, and an upset stomach. It’s usually worse the more time zones you cross, and eastbound travel, like Los Angeles to London, tends to be harder than westbound, because it’s easier for most people to stay up later than to fall asleep earlier. ## How do you prepare for jet lag before your flight? A few days of preparation can cut recovery time noticeably. Our jet lag planner builds a day-by-day schedule for your route. - Shift your bedtime about an hour a day for a few days: earlier for eastbound trips, later for westbound - Shift light exposure with it: earlier morning light before going east, more evening light before going west - Arrive at the airport well rested rather than packing until 2 a.m. - Choose flight times that let you sleep during the destination’s night where possible ## What should you do on the plane? Switch to destination time as soon as you board. Sleep if it’s night where you’re going, and stay awake if it’s day. - Set your watch and phone to destination time - Use an eye mask, earplugs, or noise-canceling headphones to sleep - Drink water steadily, and limit alcohol and caffeine - Eat meals that match destination mealtimes when you can - A lie-flat seat helps you rest; see how to choose a business-class seat ## How do you recover quickly after you land? Light is the strongest signal for resetting your clock. After flying east, get bright morning light and go easy on bright light late in the evening for the first days. After flying west, get outside in the afternoon and early evening. If you arrive in the morning, resist a long sleep. A short nap, ideally no more than about 20 to 30 minutes, can take the edge off. Eat on local time, get some exercise outdoors, and keep caffeine to the morning. ## Does melatonin help with jet lag? Melatonin may help some travelers shift their body clock and fall asleep at the new bedtime, according to the CDC, but timing matters, and supplements sold in the US aren’t regulated like medications. Talk to your doctor before using melatonin or prescription sleep aids, especially if you take other medications. For short trips of a day or two, it can make more sense to stay on home time as much as possible rather than adjusting at all. ## Frequently asked questions **Q: How long does jet lag last?** A: As a rough rule, your body adjusts about one time zone per day, so a nine-hour shift could take several days to feel fully normal. Recovery is often faster with well-timed light exposure, good sleep habits, and pre-trip adjustment. Eastbound trips usually take longer to recover from than westbound ones. **Q: Is jet lag worse flying east or west?** A: Eastbound is usually worse. Flying east means you need to fall asleep and wake earlier than your body expects, which is harder for most people than staying up later. That’s why a trip from California to Europe often feels tougher than the return. Adjusting your bedtime earlier before an eastbound trip helps. **Q: Should I sleep when I arrive in Europe in the morning?** A: Keep it short. If you’re exhausted, a nap of about 20 to 30 minutes can help, but a long sleep makes it harder to fall asleep at local bedtime. Get outside in daylight, eat lunch on local time, and aim for an early but normal local bedtime on your first night. **Q: Can you avoid jet lag on short trips?** A: On very short trips of a day or two, you may be better off staying close to your home schedule rather than adjusting. Schedule important meetings during hours when you’d naturally be alert at home, and protect your sleep. For trips of three days or more, adjusting to local time usually works better. **Q: Does business class help with jet lag?** A: It helps you rest, which makes jet lag easier to manage, but it doesn’t reset your body clock. A lie-flat seat lets you sleep properly during the destination’s night, so you arrive less exhausted. Combine it with light timing and meal timing after you land for the fastest adjustment. ## Sources - [Centers for Disease Control and Prevention](https://www.cdc.gov/)