RECOVERY · PERFORMANCE · LONGEVITY
The Aurion Journal
The science of recovery, for people who cannot afford to lose a day to it. How the body restores energy, focus, and physical capacity under real demand, and what genuinely speeds it up, from long-haul travel to chronic stress to sustained performance.
Jet Lag
What is jet lag?
The definitive guide to jet lag: the biology, the symptoms, how long it lasts, and what shortens recovery. Classified by the WHO, explained system by system.
Read the guide → Jet LagHow long does jet lag last?
The recovery timeline, system by system, and why feeling fine is not the same as being fully recovered.
Read more → Jet LagJet lag symptoms: the full picture
Six clinical categories, not three. Why your wearable still shows abnormal recovery after you feel fine.
Read more → Jet LagWhat causes jet lag?
The body clock, the melatonin pathway, and the full hierarchy of zeitgebers. Why time zones cause jet lag, not hours in the air.
Read more → Jet LagEastward vs westward jet lag
Why east is harder than west, the 24.2-hour body clock, and the counterintuitive long way around at very large shifts.
Read more → Jet LagJet lag vs travel fatigue vs sleep debt
Three conditions that arrive together after a long flight and get confused. How to tell them apart, because each clears on its own schedule.
Read more → Jet LagThe circadian rhythm explained
You do not have one body clock, you have many. How the master clock and your organ clocks fall out of step, and why full recovery takes longer than your sleep suggests.
Read more → Jet LagBody clock vs flight duration
Why a long flight is not the same as bad jet lag. Time zones drive the clock; the hours in the air drive fatigue.
Read more → Jet LagJet lag remedies: an evidence-based review
The common fixes graded by the strength of their evidence, and why the right one depends on the direction you fly.
Read more → Jet LagMelatonin for jet lag
Timing matters more than dose. What the research shows, and what UK travellers should know about its prescription status.
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