How to Beat Jet Lag: A Calm Guide to Resetting Your Body Clock

There is a particular kind of tiredness that only long-distance travel produces. You have arrived — the suitcase is unpacked, the view is new — and yet your body is still somewhere over the ocean, insisting it is three in the morning when the local clocks say lunchtime. Jet lag is not a failure of willpower or a sign you travelled badly. It is simply your internal clock, the circadian rhythm, taking its time to catch up with your itinerary.

The good news is that you can help it along. Beating jet lag is less about miracle cures and more about a handful of quiet, consistent habits — most of them borrowed from the art of resting well, wherever you happen to be.

What jet lag actually is (and why it feels so strange)

Your circadian rhythm is an internal timetable, roughly 24 hours long, that tells your body when to release sleep hormones, when to raise your temperature and appetite, and when to wind down. It is set, above all, by light.

Fly across several time zones and that timetable doesn’t update instantly. As a rule of thumb, the body adjusts by about one time zone per day — a little faster travelling west, when the day stretches longer, and a little slower travelling east, when it shrinks. That is why a week in New York can feel easy by day three, while the return to London leaves you wide awake at 4am for most of the week after.

Knowing this helps. Jet lag has a shape and a timeline; your job is simply to make the adjustment as smooth as possible.

Before you fly: start the shift early

You can begin resetting your clock before you ever reach the airport.

Nudge your sleep by an hour or two

In the two or three days before departure, shift your bedtime gently towards your destination’s time — earlier if you’re flying east, later if you’re flying west. Even an hour makes the eventual leap smaller.

Set your watch on boarding

The moment you settle into your seat, change your watch and phone to destination time and start living by it as best you can. If it’s night where you’re going, treat the flight as night: eat lightly, dim your world, and rest.

During the flight: protect your sleep like it matters

Sleeping in transit is where good intentions usually fall apart — the cabin is bright, the seat is upright, and announcements arrive just as you drift off. A little preparation changes a great deal.

Darkness is the strongest signal you can give your body. A soft, well-fitting sleep mask tells your circadian rhythm that night has begun, whatever the cabin lights are doing. It’s the reason we’re so fond of the French-made cotton and velvet sleep masks from Le Petit Dormeur, one of the French brands we’re the exclusive UK home for — gentle on the skin, properly light-blocking, and small enough to live permanently in a carry-on.

Support matters just as much as darkness. Necks were not designed for upright sleep, and the crick you land with can sabotage your first, most important night in a new time zone. An ergonomic travel pillow that actually holds your head — rather than the half-hearted horseshoe abandoned in so many seat pockets — lets you reach the deeper rest that makes adjustment easier.

And go gently with what’s in your glass. Alcohol fragments sleep and altitude amplifies it; caffeine lingers for hours. Water, little and often, is the unglamorous hero of every long-haul flight.

After you land: let light do the heavy lifting

Once you arrive, the single most powerful jet-lag remedy is free: daylight, at the right time.

Get outside at local morning

Morning light anchors your body clock to the new day. A walk before breakfast — even a slow, jet-lagged shuffle to a café — does more to reset your rhythm than any supplement. If you’ve flown east and morning light feels brutally early, aim for late-morning light for the first day or two instead.

Hold out until local bedtime

The afternoon nap will call to you like a siren. If you must, keep it short — twenty minutes, mask on, before 3pm — and then stay up until a reasonable local hour. Surrendering to a three-hour evening sleep is how one bad night becomes five.

Eat with the new clock

Meals are a secondary time cue. Eating breakfast, lunch and dinner at local hours — even when your appetite disagrees — quietly tells your body which day it is now living in.

The evening ritual that brings it home

Your first nights in a new time zone deserve a little ceremony. Screens are the enemy here: the bright, blue-tinted light of a phone at 11pm is a message to your brain that the day is still going, precisely when you need it to believe otherwise.

A better ending: a warm shower, a dark room, and twenty minutes with a book. A soft pool of warm reading light — like the one cast by the Lizia 3-in-1 book light, another French-made design we bring to the UK — is far kinder to a resetting body clock than a lit screen, and the ritual of a few pages tells your mind, unmistakably, that the day is over. Mask on, lights out, and let the new time zone take it from there.

A simple jet lag checklist

For the suitcase lid, the short version: shift bedtime an hour or two before you fly; switch to destination time on boarding; sleep on the plane with a mask and proper neck support; seek morning light on arrival; keep naps short and early; eat on local time; and end the day with a book rather than a screen.

None of it is dramatic, and that is rather the point. Beating jet lag is an exercise in art de vivre — travelling in a way that treats rest as part of the journey, not an inconvenience to be pushed through. If you’d like travelling companions for it, the full Maison Pont collection of French-made rest and reading essentials is here, with free UK delivery on orders over £20. Wherever you land next, may your body arrive with you.