Learning how to beat jet lag starts days before you board, not when you wake up at 3 a.m. in a hotel room. Jet lag happens when your body clock is still set to home while the clock on the wall says something else. The good news is that light, sleep timing, meals and a little planning can speed up the shift. At FentoMagazine.com, we focus on habits that are easy to follow, so here is a practical plan for before, during and after your flight.
Key takeaways
- Shift your sleep by about an hour a day for two to three days before you leave.
- Get morning light after flying east and evening light after flying west.
- Drink water, limit alcohol and stop caffeine well before bedtime.
- On very short trips, staying close to home time may be easier than adjusting.
What Jet Lag Is and Why It Happens
Your internal clock controls when you feel sleepy, hungry and alert. When you cross several time zones quickly, it stays anchored to home for the first few days, so you are wide awake at midnight and foggy at noon.
According to the CDC Yellow Book chapter on jet lag disorder, jet lag symptoms can include disturbed sleep, daytime sleepiness, trouble thinking clearly and stomach problems. The CDC also notes that people adapt by about 1.5 hours per day after flying west, but only about 1 hour per day after flying east, because the body clock naturally runs slightly longer than 24 hours.
How to Beat Jet Lag Before Your Flight
- Shift your schedule. For two to three days before you leave, move your bedtime about an hour a day toward your destination: earlier for eastward trips, later for westward ones.
- Arrive rested. Starting a trip short on sleep makes every symptom worse. Our guide to habits that help you sleep better and rest well covers the basics.
- Choose your arrival time. When you can, land in the afternoon or early evening, so you only need to stay awake a few hours before a local bedtime.
- Pack for sleep. An eye mask and earplugs fit in any bag, and our carry-on packing tips for traveling light show how to keep them within reach.
On the Plane: Live on Destination Time
Once you board, set your phone and watch to your destination’s time and plan meals and sleep around it. If it is night there, try to sleep. If it is daytime, stay awake with a book or a walk down the aisle. Short naps of 20 to 30 minutes can keep you alert without ruining the next night’s sleep.
Go easy on alcohol. It may help you fall asleep, but it breaks up your sleep later. Alcohol and caffeine can both dehydrate you, which can make jet lag feel worse, so keep a refillable water bottle handy.
After You Land: How to Adjust to a New Time Zone
Use light as your main tool
Light is the strongest signal your body clock gets. After flying east, get bright outdoor light in the morning. After flying west, get light in the late afternoon and evening.
Eat, sleep and drink coffee on local time
Have meals at local times and go to bed at a normal local hour. Avoid long daytime naps, and set an alarm so you don’t sleep through the morning. Coffee can help in the afternoon, but the CDC puts caffeine’s half-life at about five hours, so stop well before bedtime.
Jet Lag Remedies: What About Melatonin?
Melatonin is one of the most talked-about jet lag remedies, and expert advice differs. The CDC describes low doses with careful timing for some travelers and notes that supplements are not regulated by the FDA. The NHS guidance on jet lag does not recommend melatonin because the evidence is limited, and says medicines are usually not needed.
Talk to a doctor or pharmacist before trying melatonin or any sleep aid, especially if you take other medication. This article is general information, not medical advice; see our disclaimer.
Short Trips and Smart Planning
Part of knowing how to beat jet lag is knowing when not to fight it. On a trip of only a day or two, both the CDC and NHS suggest keeping your usual sleep and meal times.
For longer trips, keep the first day light. Our step-by-step guide to planning a trip on a budget shows how to add a buffer day without blowing your costs, and our digital lifestyle tips cover handy apps such as time zone converters.
Frequently Asked Questions
How long does jet lag last?
It depends on how many time zones you cross and which way you fly. The CDC notes an average adjustment of about one hour per day going east and 1.5 hours going west, so a six-hour shift can take several days. Symptoms usually ease steadily as you go.
Should I sleep on the plane or stay awake?
Follow your destination’s clock. If it is nighttime where you are landing, sleep as much as you comfortably can. If it is daytime there, stay awake or take only short naps. This helps your body start adjusting before the wheels touch down.
Does flying west cause less jet lag?
For most people, yes. The body clock naturally runs a little longer than 24 hours, so staying up later is easier than going to sleep earlier. That is why eastbound trips, such as flying from the U.S. to Europe, often feel tougher.
How to Beat Jet Lag on Your Next Trip
Knowing how to beat jet lag comes down to a few steps: shift early, live on destination time in the air, chase daylight when you arrive, and keep caffeine and alcohol in check. For more guides like this, explore our travel tips and destination guides, and find practical advice for everyday life at fentomagazine.com.
