How to Beat Jet Lag Fast — A Checklist

Jet lag recovery time is largely predictable and controllable — the body adapts to a new time zone at roughly 1 hour per day without intervention, but a disciplined protocol can meaningfully accelerate this.

Before You Fly

For trips longer than 4–5 days, start shifting your sleep schedule 15–20 minutes per day toward the destination time zone in the days before departure. For eastward travel (harder to adjust to), shift bedtime earlier; for westward travel, shift it later.

The Golden Rule on Arrival

Do not sleep until local night, no matter how exhausted you are. A 1–2 hour "quick nap" on arrival typically causes far more disruption than staying awake and going to bed at the correct local time, even if that means a very long first day.

Light Is Your Most Powerful Tool

Bright light exposure timed correctly is the single most effective jet lag intervention available. For eastward travel, seek morning light and avoid evening light for the first few days. For westward travel, the reverse applies. Sunglasses on the flight and during the "wrong" light window are genuinely useful.

Melatonin — When It Helps

A low dose (0.5–1mg) taken 30 minutes before the new local bedtime can help for eastward travel specifically. It is less useful for westward travel. Always check with a pharmacist or doctor, especially if combining with any medication.

Caffeine and Naps

Avoid caffeine within 6 hours of the new local bedtime. If you must nap, cap it at 20 minutes and take it before 3 PM local time — longer naps delay adaptation significantly.

Get your personalised recovery timeline with our free Jet Lag Recovery Calculator.