How to Beat Jet Lag: A Science-Based Recovery Plan

Jet lag happens when your internal clock is out of sync with the local time at your destination. Your body thinks it's 3 AM when everyone else is having lunch. The more time zones you cross, the worse it gets. But jet lag isn't inevitable. With the right strategy, you can minimize it or even prevent it entirely.

Why Jet Lag Happens

Your circadian rhythm is set by light exposure and meal timing. When you fly across time zones, your body is still operating on your home schedule. It takes about 1 day per time zone crossed to fully adjust naturally. So a 6-zone flight takes about 6 days. With intervention, you can cut that to 2-3 days.

Before Your Trip

3 Days Before Departure

Start shifting your schedule toward your destination time zone:

• Flying east: Go to bed 30 minutes earlier each night and wake up 30 minutes earlier each morning.
• Flying west: Go to bed 30 minutes later each night and wake up 30 minutes later each morning.

Pack Sleep Essentials

• Eye mask and earplugs
• Melatonin (0.5-3 mg tablets)
• Blue light glasses

During the Flight

• Set your watch to destination time immediately.
• If it's nighttime at your destination: Sleep on the plane using an eye mask, earplugs, and melatonin.
• If it's daytime at your destination: Stay awake. Avoid alcohol and caffeine.
• Drink water aggressively. Airplane cabins are extremely dry.

After Arrival

Light Exposure Is Everything

• Flying east: Get bright light in the morning. Avoid bright light in the evening.
• Flying west: Get bright light in the afternoon/evening.

Melatonin Timing

• Flying east: Take 0.5-3 mg at the destination's bedtime for 3-5 nights.
• Flying west: Melatonin is less helpful. If you use it, take a very low dose (0.3-0.5 mg) 3-5 hours before desired bedtime.

Meal Timing

Eat meals at local times. A heavy breakfast at local morning time signals "it's daytime" to your digestive clock.

Recovery Timeline

• 1-3 time zones: 1-2 days
• 4-6 time zones: 3-5 days
• 7+ time zones: 5-7+ days

Plan your sleep at your destination with our free Sleep Calculator.

Frequently Asked Questions

Is jet lag worse traveling east or west?

East. Traveling east means advancing your clock, which is harder for most people than delaying it.

Should I nap when I arrive?

If it's daytime, try to stay awake until at least 8-9 PM local time. A 20-minute nap is OK if you're desperate, but longer naps will delay your adjustment.

Can you get jet lag from a 3-hour time difference?

Yes, but it's usually mild and resolves in 1-2 days.