How to beat jet lag

Jet lag refers to disturbed sleep patterns, weakness and disorientation caused by travelling. It happens when your normal body clock is disrupted by travelling through several time zones.

Jet lag is worse when you move from west to east because the body finds it harder to adapt to a shorter day than a longer one.

GP Dr Dawn Harper explains: “Our body clock is primed to respond to a regular rhythm of daylight and darkness. It is thrown out of sync when it experiences daylight at what it considers the wrong time, and it can take several days to readjust."

Travellers who take medication according to a strict timetable (such as insulin or oral contraceptives) should seek medical advice from a health professional before their journey.

Before you travel

Top up your sleep
Make sure you're fully rested before you travel. If you’re flying overnight and you can get a bit of sleep on the flight, it will help you to stay up until night time once you arrive at your destination.

Change your sleep routine
A few days before you travel, start getting up and going to bed earlier (if you're travelling east) or later (if you're travelling west). During the flight, try to eat and sleep according to your destination's local time.

Have a stopover on the way
Including a stopover in your flight will make it easier to adjust to the time change, and you'll be less tired when you arrive. Take advantage of any short airport transits to have a refreshing shower or swim in the terminal, if possible.

During your journey

Keep hydrated
Dehydration can intensify the effects of jet lag, especially after sitting in a dry aeroplane cabin for many hours. Avoid alcoholic and caffeine drinks (such as coffee, tea and cola), which can disturb sleep.

Preparing for sleep
During your flight, try to create the right conditions when preparing for sleep. Eyeshades and earplugs may help you sleep. Regular exercise during the day may also help you sleep, but avoid strenuous exercise immediately before bedtime.

Use remedies with caution
Many airline staff take melatonin, a hormone formed by the body at night or in darkness, to try to fight jet lag. Sleeping medication is not recommended as it doesn't help your body to adjust naturally to a new sleeping pattern. 

At your destination

Anchor sleep
Try to get as much sleep in every 24 hours as you normally would. A minimum block of four hours’ sleep during the local night – known as “anchor sleep” – is thought to be necessary to help you adapt to a new time zone. If possible, make up the total sleep time by taking naps during the day.

Natural light
The cycle of light and dark is one of the most important factors in setting the body’s internal clock. Exposure to daylight at the destination will usually help you adapt to the new time zone faster.

Short trips
For stays of less than three or four days, it may be better for the traveller to remain on "home time" (that is, timing activities such as sleeping and eating to occur at the times they would have occurred at home) to minimize disruption to the normal sleep-wake cycle although this is not always practical. 

Page last reviewed: 26/05/2014

Next review due: 26/05/2016


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The 3 comments posted are personal views. Any information they give has not been checked and may not be accurate.

Satraj Suman said on 08 January 2015

It says West to East is worse but I disagree. I am absolutely unaffected when travelling to the east, the excitement of the holiday seeing friends and family in India keeps the jet lag away. The real problem is when I return and back to normal life at work etc. I suffer for about 7 to 10 days. Staying awake at home or work is a massive problem. None of the suggestions in the article don't work. Sorry.

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jepsonclough said on 09 September 2011

Not usually practical on short trips to stay on home time. I travel on business to far east for 4/5 day trips - business has to be conducted during local daytime so staying on UK.time is impractical.

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andrewtc04 said on 23 November 2010

Great advice. Completely agree with the previous "west is best" comment!

I've compiled my own list here too -

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Travel health

Advice for people travelling abroad, including malaria, travel vaccinations, EHIC, travel insurance, DVT and jet lag