The science of circadian phase-shifting =E2=80=94 and how to work with it.
[Why Your Body Clock Breaks On Long-Haul Flights](https://www.flykitt.com/p=
roducts/flykitt?kitType=3Dstandard)
[Light is a powerful reset switch but the window matters](https://www.flyki=
tt.com/produc
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- May 26, 2026, 12:49 PM
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- travel, circadian-rhythm, jet-lag, health-science, flykitt