The study involved using an altitude chamber designed to simulate in-flight conditions.
We also only looked at one single dose of alcohol, she added.
In the real world, passengers might consume more or less alcohol.

Photo Illustration by Michela Buttignol for Verywell Health; Getty Images
It is likely that the effect on oxygen saturation is dose-dependent.
Passengers who doze off in uprighteconomy seats might not have the same experience as the study participants.
Regardless of seating positions, consuming alcohol in any environment can lead to poor quality sleep.
Humidity also drops in a plane cabin.
Flying is not benign.
There are things that happen that will magnify underlying states before you enter into the plane, Eapen said.
Think of it like being in a desert at 8,000 feet.
Thats the environment youre going to be in for one to 12 hours.
Published online June 3, 2024. doi:10.1136/thorax-2023-220998
MedlinePlus.Pulse oximetry.
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2020;12(9):2574. doi:10.3390/nu12092574