nojetlagJet lag, understood
Evidence-based guides on circadian biology and practical strategies to recover from jet lag faster.
Science·4 min readHow the Circadian Rhythm Works: Your Body's Internal Clock, Explained Simply
A clear, evidence-based explanation of the circadian rhythm and why it's the reason jet lag happens in the first place.
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Science·4 min readMelatonin for Jet Lag: What the Evidence Actually Says About Dosage and Timing
How melatonin really works, what dose the studies used, and when to actually take it.
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Science·5 min readLight Exposure: The Most Powerful Lever for Resetting Your Circadian Clock
Why light — not melatonin, not caffeine — is the single strongest tool for beating jet lag.
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Science·4 min readChronotype and Jet Lag: Why Some People Recover Faster Than Others
Are you a lark or an owl? Your chronotype changes how hard jet lag hits — and how fast you recover.
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Science·5 min readJet Lag and Sleep Quality: What Happens in Your Brain in the First 48 Hours
Why sleep gets fragmented, why cognition suffers, and how long recovery really takes.
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Science·4 min readCaffeine and Jet Lag: When It Helps, When It Hurts Your Recovery
Caffeine can mask jet lag — or prolong it. Timing is everything.
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Science·4 min readPre-Flight Fasting for Jet Lag: The Theory Behind the Argonne Method
How the US military's Argonne diet uses meal timing to shift your body clock before takeoff.
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Prevention·5 min readWhat to Do in the 3 Days Before Departure to Reduce Jet Lag
A practical pre-trip checklist — light, sleep, and packing — to arrive better adjusted.
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Prevention·4 min readHydration During Flight: How Much It Actually Matters for Jet Lag Recovery
Cabin air really is dehydrating — but what does the evidence actually say water can (and can't) fix?
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Prevention·4 min readIn-Flight Nutrition: What to Eat (and Avoid) to Land Feeling Less Wrecked
Airplane food choices that support your circadian reset — and the ones that quietly work against it.
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Prevention·4 min readExercise During Jet Lag: An Underrated Accelerator for Circadian Reset
Physical activity is a genuine zeitgeber — here's how and when to use it.
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Prevention·5 min readJet Lag in Children and Older Adults: Why Age Changes the Recovery Curve
How circadian recovery differs across ages — practical adjustments for kids and older travelers.
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