Jet lag can turn a dream trip into a groggy mess.
It leaves you with that feeling like you’ve been hit by a time-zone truck. It can happen from a long-haul flight from London to New York, but even on a shorter trip, let’s say “a hop” across Europe from Lisbon to Istanbul. Whenever we are crossing time zones, this disrupts the body’s internal clock, which causes fatigue, insomnia, and that “why am I awake at 3 AM?” thought.
This guide breaks down the science of jet lag and shares practical, conversational tips to beat it, based on personal experiences and insights from recent trips to places like Rome and Kraków.
Here you will find some pre-flight preparation and post-landing hacks, all so that we can see how to fix jet lag and hit the ground running.

Understanding Jet Lag: The Science Bit
Jet lag happens when the body’s circadian rhythm, which is our body’s 24-hour cycle that regulates sleep, hunger, and energy, gets out of sync with the destination’s time zone. When we are crossing three or more time zones, especially eastbound, this is the usual culprit.
Symptoms include:
- Daytime fatigue and brain fog
- Trouble sleeping or waking at odd hours
- Mood swings and irritability
- Digestive issues (yes, even your stomach gets jet-lagged)
For example, let’s say that you are flying from London (GMT) to New York (EST, -5 hours). This trip might leave you wide awake at midnight, while Istanbul (+3 hours) could have you napping through dinner.
The body adjusts at a rate of about one time zone per day, so a five-hour shift takes roughly five days to fully sync.
Fun Fact: Eastbound flights (e.g., Europe to Asia) are tougher than westbound because shortening your day messes with your circadian rhythm more than lengthening it.
I’ve had those moments – standing in a beautiful piazza in Rome or a park in New York – where the scenery is breathtaking, but my brain feels like it’s made of cotton wool. It’s tempting to feel like a ‘failure’ at traveling when you’re exhausted, but I’ve learned that the secret isn’t just about the water or the sunlight; it’s about being kind to your body while you trick it. Last year, while dragging myself through Central Park at 3 PM to avoid a nap, I realized that the struggle is actually part of the story. There’s a weird, shared camaraderie among travelers you see yawning into their espressos at odd hours. Now, I don’t just see jet lag as a nuisance to be ‘fixed’ – I see it as the price of admission for seeing the world. When you finally hit that first night of deep, synchronized sleep in a new city, it feels like a hard-won victory.
Pre-Flight Prep: Set Yourself Up for Success
If you don’t prepare, you prepare to fail – it also holds true in this case.
In other words, the best way to fight jet lag is to start before takeoff.
Here are tips to prime your body for a smooth transition.
1. Adjust Your Sleep Schedule Early
Start shifting your sleep a few days before departure to match your destination’s time zone.
- How: For eastbound flights (e.g., London to Istanbul, +3 hours), go to bed and wake up 30-60 minutes earlier each day for 3-4 days. For westbound (e.g., London to New York, -5 hours), push bedtime later.
- Why It Works: Gradually aligns your circadian rhythm, reducing the shock of a new time zone.
- Example: Before a Rome to New York flight, I started going to bed at 11 PM instead of midnight and waking at 6 AM instead of 7 AM, three days prior. By departure, I was halfway adjusted.
- Tip: Use apps like Timeshifter (free basic version) to create a personalised pre-flight sleep plan.
2. Choose Flights Wisely
Flight timing can make or break jet lag recovery.
- How: For eastbound trips, book early morning flights to arrive in the afternoon and stay awake until local bedtime. For westbound, afternoon flights let you sleep on the plane and arrive refreshed.
- Why It Works: Aligns flight schedules with natural sleep cycles. Morning flights eastbound encourage daytime activity; afternoon flights westbound mimic a long day.
- Example: For Kraków to London (-1 hour), I took a 7 AM flight, landed at 8 AM, and powered through the day with coffee. It kept me on track.
- Tip: I know it can be pricey to find a flight that suits you time-wise, so Check Skyscanner for flight times that match your jet lag strategy at okay prices.
3. Hydrate Like It’s Your Job
Dehydration from dry cabin air worsens jet lag symptoms.
- How: Drink 250-500 ml of water every 2 hours before and during the flight. Avoid alcohol and caffeine 24 hours before departure.
- Why It Works: Hydration supports energy levels and reduces headaches and fatigue.
- Example: On a Vienna to New York flight, I chugged water like a camel and felt way less sluggish than my usual wine-on-the-plane self.
- Tip: Bring an empty reusable bottle (e.g., 500 ml) through security and fill it at airport fountains if the water there is potable.
Personal Impression: Shifting my sleep before New York was a game-changer, but I still snuck a coffee. Baby steps!
In-Flight Strategies: Survive the Journey
The flight itself is prime time to combat jet lag. Here’s how to make those hours count.
4. Set Your Watch to Destination Time
Switch your phone or watch to the destination’s time zone as soon as you board.
- How: Adjust your mindset to eat, sleep, and act according to the new time. If it’s bedtime in Istanbul when you board in London, try to nap.
- Why It Works: Tricks your brain into syncing with the destination’s schedule.
- Example: On a London to Istanbul flight (+3 hours), I set my watch to 3 PM Istanbul time at boarding (noon London) and skipped lunch to nap, mimicking an afternoon rest.
- Tip: Use a sleep mask and/or earplugs to block out cabin distractions, and have a comfortable pillow to keep your neck in an okay position.
5. Sleep Smart on the Plane
Sleeping at the right time during the flight can ease the transition.
- How: For eastbound flights, sleep early on the flight to mimic night. For westbound, stay awake until the last few hours to align with destination bedtime. Use melatonin (1-3 mg, check with a doctor) for long flights.
- Why It Works: Aligns sleep with the destination’s night cycle, reducing insomnia on arrival.
- Example: Flying Rome to New York (-6 hours), I stayed awake with movies for the first 5 hours, then napped for 2 hours to match New York’s evening.
- Tip: Book a window seat for better sleep control (no one climbing over you).
As there are going to be babies crying on the plane, you will need noise-cancelling earphones. Also, a comfy pillow and a sleep mask will help you get proper rest. Check out our list of travelling gadgets that make your life easier.
6. Move and Stretch
Sitting for hours stiffens muscles and worsens fatigue.
- How: Walk the aisle every 2 hours or do seated stretches (ankle rolls, neck tilts). Wear compression socks to boost circulation.
- Why It Works: Movement improves blood flow, reducing sluggishness and swelling.
- Example: On a Lisbon to Dubai flight (+4 hours), I did yoga stretches in the galley, earning weird looks but feeling amazing.
- Tip: Watch in-flight exercise videos on seatback screens or follow a 5-minute stretch routine from YouTube (download offline).
Post-Landing Hacks: Hit the Ground Running
Once you arrive, it’s all about syncing with the new time zone fast.
7. Get Sunlight Exposure
Natural light is the ultimate circadian rhythm reset button.
- How: Spend 1-2 hours outside during daylight, especially in the morning for eastbound trips or late afternoon for westbound. Avoid sunglasses to let light hit your eyes.
- Why It Works: Sunlight suppresses melatonin production during the day, signalling your body to stay awake and adjust.
- Example: In Kraków (+1 hour from London), I walked the Main Square at 9 AM, soaking up the sun and sipping coffee. By night, I was on local time.
- Tip: Check sunrise/sunset times on weather apps like AccuWeather to plan outdoor time.
8. Stay Awake Until Local Bedtime
Pushing through the first day is tough, but it is also crucial, because if you lose it here, it is more difficult to get used to the local time the next day, or the day after.
- How: Aim to stay awake until at least 9 PM local time, even if you’re exhausted. Take a 20-minute power nap if desperate, but avoid long naps.
- Why It Works: Forces your body to align with the local sleep schedule, speeding up adjustment.
- Example: Landing in New York at noon, I explored Central Park until 9 PM, fighting the urge to crash. Slept like a baby that night.
- Tip: Caffeine in moderation (e.g., 100 mg espresso) helps, but avoid after 2 PM to protect sleep.
9. Eat on Local Time
Align meals with the destination’s schedule to reset your internal clock. This is crucial – I understand you may be starving once you arrive, but let’s do our best. Some light meals to keep you going can help. For example, pack protein bars (e.g., 20g protein) for quick snacks if local meal times feel off.
Eat breakfast, lunch, and dinner at local times, even if you’re not hungry. Choose light, protein-rich meals (e.g., eggs, chicken – these are available in virtually any country in the world) to boost energy. Doing so can help because eating signals your body’s digestive clock that it is time to eat, reinforcing the new time zone.
Extra Tips for Jet Lag Warriors
These bonus hacks made a difference on my trips and can help fine-tune your recovery.
10. Use Melatonin Strategically
Melatonin supplements can nudge your sleep cycle into place.
- How: Take 1-3 mg (consult a doctor) about 30 minutes before desired bedtime in the new time zone, especially for eastbound trips. Use for 2-3 nights max.
- Why It Works: Mimics the body’s natural sleep hormone, helping you fall asleep faster.
- Example: In Dubai (+4 hours), a 2 mg dose at 10 PM helped me crash and wake refreshed.
- Tip: Buy melatonin at pharmacies (e.g., Boots in the UK, ~10 EUR for 30 tablets).
11. Exercise Lightly
A short workout can boost energy and reset your clock.
- How: Do a 20-minute walk, yoga session, or bodyweight exercises (e.g., squats) on arrival day, ideally outdoors.
- Why It Works: Exercise increases alertness and helps regulate circadian rhythms.
- Example: In Rome, I jogged around Villa Borghese after landing. It woke me up and burned off airport stress.
- Tip: Download a free yoga app like Down Dog for quick hotel-room sessions.

12. Avoid Screens Before Bed
Blue light from phones and laptops can keep you awake.
- How: Avoid screens 1-2 hours before bedtime or use blue-light-blocking glasses. Set devices to night mode.
- Why It Works: Blue light suppresses melatonin, delaying sleep adjustment.
- Example: In New York, I skipped my usual X scroll before bed and slept better by day 2.
- Tip: Pack blue-light glasses (10-20 EUR on Amazon) for evening use.
Practical Tips for Travellers
To make these jet lag fixes work, here’s a checklist based on my trips:
- Packing Essentials:
- Reusable water bottle (500 ml) for hydration, which will be empty at the security check so that you are not forced to throw it away;
- Sleep mask and earplugs for in-flight naps;
- Compression socks (10-15 EUR) for circulation;
- Melatonin tablets (check local regulations);
- Blue-light-blocking glasses for evenings;
- Budget 5-10 EUR for melatonin, 10-20 EUR for compression socks. Coffee and snacks cost 2-5 EUR at airports;
- Download offline apps (Timeshifter, Google Maps) for jet lag plans;
- Safety:
- Consult a doctor before using melatonin;
- Stay hydrated to avoid dizziness on arrival;
- Emergency number: 112 in Europe, 911 in the US;
- Adjust your meal times quietly, so that you avoid annoying your hosts or other guests.
Personal Impression: Jogging in Rome after landing was my secret weapon, but I still needed a nap by day 2. Progress, not perfection!
Getting to Your Destination
Jet lag hits hardest on long flights, but these apps and tips work anywhere:
- By Air: London to New York (7 hours, 100-300 EUR, Ryanair/Lufthansa), Lisbon to Istanbul (5 hours, 80-200 EUR). Use Hopper for deals.
- By Train: Within Europe, trains like Prague to Kraków (6 hours, 20-40 EUR) have minimal jet lag. Book via Trainline.
- Within Cities: Trams (1.50 EUR/ticket) or Bolt taxis (3-7 EUR) get you to sunlight spots fast.
Best Time to Travel
Jet lag strategies work year-round, but seasons affect your plan, so let’s see how to battle it in each part of the year:
- If you are travelling during spring months (March-May): Mild temperatures in most European countries (10-20°C) and long daylight can help you with the outdoor reset.
- If you are travelling in summer (June-August): High temperatures in most of Europe (20-40°C) can exhaust you additionally, but extended sunlight helps eastbound trips.
- If you are travelling during autumn (September-October): Temperatures are around 10-20°C in most of Europe, which is ideal for morning walks, but rain and clouds can make you feel like it’s night at 2 pm.
- Travelling during winter (November-February) is quite challenging in this regard, as it is cold (0-10°C), and shorter days make sunlight exposure more problematic, so just stick with the routine of locals regarding time to eat and go to bed.
Criticisms: What’s Not Perfect
Jet lag fixes aren’t foolproof:
- Sleep Adjustments: Pre-flight sleep shifts are tough if you’re a night owl like me. I struggled to wake early for New York.
- Melatonin: Not available in some countries (e.g., the UK without prescription). Dosage varies, so check with a doctor.
- Sunlight: Cloudy days (common in Europe) can limit light exposure. I got stuck indoors in rainy Kraków.
- Time Commitment: Staying awake until 9 PM on arrival is brutal when you’re exhausted.
Why These Tips Work
These jet lag fixes—pre-flight prep, in-flight smarts, and post-landing hacks—work by aligning your body’s clock with the new time zone. From shifting sleep in Rome to jogging in New York, each step helped me recover faster, usually within 2-3 days. The science (light, melatonin, movement) meets practical tricks (hydration, meal timing) to make long-haul travel less painful. Sure, it’s not instant, but it helps, and it is way better than struggling through your trip like a zombie.
A Personal Reflection
Landing in Istanbul, I set my watch, napped on the plane, and hit the Bosphorus for sunlight. By day 2, I was sipping tea like a local, not yawning through it. In New York, staying awake in Central Park was tough, but crashing at 9 PM felt like a victory. I am giving you these tips which helped me see jet lag as a minor annoyance, which now leaves me more time for exploring.
Final Thoughts
With pre-flight sleep shifts, smart in-flight habits, and post-landing tricks like sunlight and exercise, you can bounce back faster and dive into your adventure. These tips can keep you energised and ready to soak up every moment, which is important in my opinion, because when we travel, we want to experience it, not just sleep throughout the whole trip!
So pack your sleep mask, chug that water, and conquer the time zones. Your dream trip is waiting!
Ready to Beat Jet Lag?
Download Timeshifter, pack melatonin (if doctor prescribed it), and check weather apps for sunlight schedules.
Happy travels!
Hi, I’m Marta. I plan trips carefully, but always with one main priority: great food. I love discovering cozy pubs, hidden restaurants, and local gems that make every destination feel special. With 3,000+ restaurant check-ins and 1,700 reviews, I’m here to help you find the places that are truly worth visiting.