How to Beat Jet Lag in 2026: What Actually Works (Backed by Science)

Safety & Advisories Circadian science, light timing and low-dose melatonin — plus the odd UTC+5:45 twist of flying into Kathmandu before a Himalaya trek. By Laxman Rawal · Aug 15, 2026 Read the full story

You have spent months planning the trek of a lifetime, then you land in Kathmandu foggy-headed, wide awake at 3am and half-asleep at lunch. Jet lag is the tax on crossing time zones fast, and for most Himalaya-bound trekkers it lands right when you need to be… Travel Himalaya Nepal · News

What jet lag actually is

Jet lag is a mismatch between your internal circadian clock and the clock on the wall at your destination. That clock governs when you feel sleepy, when you are alert, your body temperature and your hunger — and it does not jump zones with the plane. It… Travel Himalaya Nepal · News

The one lever that matters most: light

The Sleep Foundation calls light "the most powerful influence on circadian rhythm." Getting light at the right time pulls your clock in the direction you want; getting it at the wrong time drags it the other way and makes things worse. The direction you fly… Travel Himalaya Nepal · News

What the evidence says works — and what doesn't

Melatonin is the one supplement with real support behind it, but it is not a sleeping pill — it is a timing signal. The Sleep Foundation notes research comparing a low 0.5 mg dose against 3.0 mg, with low doses generally favoured, and stresses that when you… Travel Himalaya Nepal · News

The flying-to-Nepal case

Nepal's UTC+5:45 offset makes the arithmetic slightly odd, and where you start decides how hard the reset will be: For North American and European trekkers, Nepal is a big eastward jump — the direction most people find toughest — so the pre-flight strategy… Travel Himalaya Nepal · News

Don't confuse jet lag with altitude

Here is the part specific to the mountains: jet lag and altitude both cause fatigue, headaches and broken sleep, and it is easy to blame one for the other. They are separate problems with separate fixes. Jet lag fades as your clock catches up; altitude… Travel Himalaya Nepal · News

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